SciShow Space

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2015
2015x1
Future Space News of 2015: Destination Ceres and Pluto!
Episode overview
SciShow Space brings you NEWS FROM THE FUTURE, with details about the space missions to look forward to in 2015.
2015x2
Does the Sun Have Long-Lost Siblings?
Episode overview
The sun may have thousands of stellar siblings, many of them probably just like it, elsewhere in the galaxy. Find out how astronomers are looking for them, and learn about a match that could be our star’s long-lost sibling!
2015x3
8 New Earth-Like Planets Discovered!
Episode overview
SciShow Space starts the year off with a bang, and the discovery of 8 Earth-like planets, two of which may be the most promising candidates yet for harboring life.
2015x4
How Long Would You Survive on Mars?
Episode overview
Just how long could you survive on the surface of Mars without a spacesuit? Find out what it’d be like to stand on the surface of Mars, if you forgot to pack properly.
2015x5
The Pillars of Creation and Spotting Comet Lovejoy
Episode overview
This week in space news, a new makeover for one of the Hubble Telescope’s most famous images, and tips on spotting Comet Lovejoy in the night sky.
2015x6
The Biggest Stars in the Galaxy
Episode overview
Learn about hypergiant stars -- stars that make the sun look ridiculously tiny.
2015x7
An Asteroid Flyby, and Good Morning, New Horizons!
Episode overview
This week in SciShow Space News we bring you the latest on what to expect from NASA's New Horizons deep space mission and what asteroids to watch for in the coming years!
2015x8
Great Minds: Sergei Korolev, The Chief Designer
Episode overview
Most people have never heard of him. But Soviet scientist Sergei Korolev quietly developed the revolutionary rocket technology that we still use today.
2015x9
New Views of a Comet, and 5 Ancient Planets Discovered
Episode overview
SciShow News serves up the latest pictures from Comet 67-P, that media darling, and the discovery of what may be the oldest, rocky Earth-like worlds yet found.
2015x10
The Year-Long Twin Astronauts Experiment
Episode overview
Astronauts Scott Kelly and Mikhail Kornienko will soon undertake a historic, record-breaking mission: to live in space for an entire year. And scientists will have some extra help .. show full overview
2015x11
The Next Search for Alien Life, and Release the Cubesats!
Episode overview
SciShow Space explores the latest mission to search for extraterrestrial life, and the mission of two tiny satellites that aims to make space travel safer.
2015x12
The Moon Has a Tail!
Episode overview
Did you know the moon has a tail? No one did, until 1998, and we’ve been trying to figure it out ever since.
2015x13
The Amazing Cosmic Discovery That Almost Was
Episode overview
SciShow Space News revisits one of the biggest (potential) astronomical discoveries of 2014, one that promised to revolutionize our understanding of the formation of the universe. Turns out, we’re not quite there yet.
2015x14
Buran: The Space Shuttle That Almost Was
Episode overview
Did you know the Soviet Union had its own Space Shuttle? Learn all about the Buran, what happened to it, and what innovations set it apart from its NASA counterpart.
2015x15
3D Printing in Space, and When Venus Meets Mars
Episode overview
SciShow Space News gives you the latest from a batch of experiments on the Space Station, a new mission to forecast space weather, and a guide to this year’s conjunction of Mars and Venus!
2015x16
The Strange Case of Eta Carinae A
Episode overview
Eta Carinae A, a star that briefly held the title of the second-brightest star in the sky, has been dazzling astronomers for centuries. Learn more about this type of supermassive, mega-luminous star, known as a Luminous Blue Variable.
2015x17
Does Dark Matter Cause Extinctions?
Episode overview
New discoveries into two weird things that may have played havoc with the ancient solar system: dark matter and a wandering star.
2015x18
The Future of Space Telescopes: Umbrellas & Glitter!
Episode overview
After Hubble and Webb, what’s the future of space telescopes? Two ideas in planning stages right now involve the space-age versions of umbrellas and glitter.
2015x19
An Impossible Black Hole, and Finally Meeting Ceres
Episode overview
SciShow Space takes you to a distant, ancient black hole that … really shouldn’t be, and psyches you up for the Dawn spacecraft’s final approach to Ceres!
2015x20
Space Particles Are Flying Through You Right Now!
Episode overview
Tiny remnants of extreme nuclear reactions in space are flying through your body right now. And astronomers are hunting them to learn more about some of the most energetic and violent objects in the universe.
2015x21
The Solar Eclipse of 2015!
Episode overview
This week, an update on Dawn’s rendezvous with Ceres, a changing of the guard on the ISS, and a viewer’s guide to this year’s solar eclipse!
2015x22
Astronauts' Arch-Enemy: Dust
Episode overview
For astronauts, dust is no joke. On the moon and Mars, dust isn’t at all like the stuff under your bed. It can be poisonous, corrosive, even made of razor-sharp glass. So future .. show full overview
2015x23
Water on Ganymede, and NASA Needs Your Help!
Episode overview
Which is a bigger deal to you? The discovery that there’s probably more water on Jupiter’s moon Ganymede than all the oceans on Earth? Or the fact that you can now help NASA find asteroids? Learn about both, then decide for yourself!
2015x24
The Coldest Place in the Universe
Episode overview
When the Cold Atom Laboratory launches to the International Space Station in 2016, it will become the coldest spot in the universe. Learn how scientists are going to get closer than ever to absolute zero -- and why they want to.
2015x25
A Year in Space, and the Lunar Eclipse!
Episode overview
Two astronauts are about to embark on the One Year Mission which can help us understand more about the long-term effects of being in space, and there is an upcoming total lunar eclipse (the shortest one this century)!
2015x26
There's Alcohol in the Middle of the Galaxy!
Episode overview
There’s a massive cloud in the center of our galaxy, and it’s full of alcohol. Party in the Milky Way! But how did it get there? And what does it have to do with the search for life elsewhere in the universe? SciShow Space explains!
2015x27
NASA's Ambitious Asteroid Mission
Episode overview
SciShow Space is one year old! And we’re celebrating by talking about new plans for a mission we told you about in our very first episode of SciShow News!
2015x28
Take a Tour of Jupiter and Saturn
Episode overview
If you could pilot a spaceship into Jupiter and Saturn, would you ever hit anything solid? And what’s it like in there? SciShow Space takes you on a tour of the two biggest gas giants in the solar system.
2015x29
Citizen Astronomy FTW
Episode overview
This week, some rather confusing news from the Moon, and details about how ordinary folks like you helped classify 2 million celestial objects in just five days!
2015x30
The Biggest Volcano in the Solar System
Episode overview
Get to know Olympus Mons on Mars, the biggest volcano in the solar system, and find out why a planet that’s smaller than Earth has volcanoes that are bigger than ours!
2015x31
Is There Liquid Water on Mars?
Episode overview
Mars might be full of salty liquid water! Plus, a guide to the upcoming Lyrids meteor shower.
2015x32
Could There Be Planets Beyond Neptune?
Episode overview
Did you grow up thinking there were nine planets in the solar system? You might have been right all along! Today we discuss the possibility of distant worlds in our solar system.
2015x33
25 Years of Hubble, and MESSENGER's Grand Finale
Episode overview
SciShow Space News explains two of the Hubble Space Telescope’s most important discoveries, and why the MESSENGER probe is about to crash into Mercury.
2015x34
Hanny's Voorwerp: The Mystery Blue Blob
Episode overview
In 2007, Hanny van Arkel noticed a blue blob next to a galaxy. Eight years later, scientists are still trying to figure out how it got there.
2015x35
A New Way to Find Planets!
Episode overview
For the first time, astronomers have detected the light coming from an exoplanet. SciShow Space News explains how they did it, and why it was so difficult in the first place.
2015x36
The Future of Life in the Solar System
Episode overview
In five billion years, the Sun’s going to evolve into a red giant. That’s bad news for Earth, but exciting for some of the worlds a little farther out.
2015x37
The Lost Cargo Ship, and Pluto Has Ice Caps!
Episode overview
SciShow Space News explains how we lost track of a resupply mission, explores Pluto’s newfound ice caps, and helps you find Mercury.
2015x38
Weird Names Around the Solar System
Episode overview
Not all of the objects in the solar system are named after Greek and Roman gods -- some are named after literary figures, movie stars, and don’t get us started on what people think Earth is really called.
2015x39
The Truth About Warp Drive
Episode overview
Join us for a trip into the SciShow Space News Debunker, where we explore the rumors that NASA has created a warp drive.
2015x40
The Weirdness of Jupiter's Great Red Spot
Episode overview
It’s Jupiter’s beauty mark — but do you know where the Great Red Spot came from, or how long it’s been there, or how long it’ll continue to exist? Well, neither do scientists, really.
2015x41
Help Us Survive on Mars, and Name Your Own Planet!
Episode overview
This week on SciShow Space News, we finally find out what’s causing those dark lines on Europa. Plus, learn how to become space-famous!
2015x42
Why Doesn't Earth Have Rings?
Episode overview
Plenty of other planets in the Solar System have rings. So why not Earth?
2015x43
Hooray for Astromice!
Episode overview
This week on SciShow Space News, we’re learning more about the side effects of space travel… from mice. Plus, we explore the most luminous galaxy!
2015x44
Is There Sound in Space?
Episode overview
Sound can’t actually travel through a vacuum like space, but scientists have learned that there’s still plenty to hear.
2015x45
Mission to Europa Unveiled!
Episode overview
NASA has announced the scientific instruments for the Europa Clipper mission, and Cassini has passed Hyperion, the so-called “spongy moon,” for the last time.
2015x46
Choosing a Telescope: Bigger Isn't Always Better!
Episode overview
Before you take your relationship with space to a new level by getting a telescope, find out what you really need to make the most of your summer nights staring at the sky.
2015x47
The Biggest Telescope EVAR!
Episode overview
Their return was delayed for a while, but three ISS crew members are finally home. Plus, engineers have started assembling the Giant Magellan Telescope!
2015x48
Exploring Uranus and Neptune
Episode overview
Join SciShow Space as we complete our tour of the Solar System planets with the ice giants, Uranus and Neptune.
2015x49
Good Morning, Philae!
Episode overview
The Philae lander is awake! And it’s sending us data straight from Comet 67P!
2015x50
New Rovers: A Robot Eel and a Submarine!
Episode overview
NASA’s looking to send a giant robotic space eel to explore Europa, and a submarine to Titan. Let’s go for a swim!
2015x51
Bright Spots on Ceres, and Volcanoes on Venus
Episode overview
Dawn is spiraling in for a closer look at Ceres, and researchers have discovered the best evidence yet for active volcanoes on Venus. Plus, check out Venus and Jupiter right next to each other in the sky!
2015x52
The 3 Biggest Space Impacts Ever
Episode overview
Celebrate Asteroid Day by learning about the 3 biggest collisions that Earth has experienced with celestial objects.
2015x53
"Spaceflight Is Hard"
Episode overview
An ISS-bound rocket exploded on Sunday, and New Horizons has a tough job finding Pluto.
2015x54
3 Body Hacks For Stargazers
Episode overview
Before you head out on your next stargazing adventure, SciShow Space has some tips for you.
2015x55
Rosetta Didn't Find Aliens!
Episode overview
New Horizons went into safe mode and lost a few days of science observations. And there seems to be some confusion over whether there are aliens on Comet 67P.
2015x56
The Fermi Paradox and Our Search for Alien Life
Episode overview
At least some advanced civilizations might be producing tons of waste heat by now. And researchers are looking for them.
2015x57
The Fastest Human-Made Object Ever
Episode overview
The record for the fastest thing ever created by humans is a tie between the Helios 2 probe… and a manhole cover.
2015x58
What We've Learned from the Pluto Flyby!
Episode overview
New Horizons is teaching us all about Pluto! And it’s definitely not what we were expecting.
2015x59
There's a Giant Hole in the Universe
Episode overview
There’s basically a hole in the universe -- a region where there’s much less matter than there should be. And we don’t know why it’s there.
2015x60
Could the Firefly Universe Exist?
Episode overview
Firefly takes place in an incredibly complicated star system. But it probably couldn’t exist, because physics.
2015x61
Pluto's Runaway Atmosphere, and Earth's 'Cousin'
Episode overview
According to some of the latest New Horizons data, Pluto’s got flowing nitrogen ice and only half the atmosphere it had two years ago. Plus, the latest batch of exoplanets includes a world that’s a lot like Earth... probably.
2015x62
Why Don't Spaceships Have Artificial Gravity?
Episode overview
We've seen this done in movies right? Well, why don't spaceships have this technology?
2015x63
New Results from Philae, and the Perseids Meteor Shower!
Episode overview
This week on SciShow Space News, a new set of studies is teaching us all about Comet 67P. And the Perseids meteor shower is coming up!
2015x64
3 Messages We've Sent to Extraterrestrials
Episode overview
In the 1970s, astronomers Carl Sagan and Frank Drake developed the first messages intentionally sent out of our solar system. But how do you describe yourself to beings who have no concept of life on Earth?
2015x65
Space-Grown Vegetables, and the Ring That Shouldn't Exist
Episode overview
Astronauts ate some space-grown lettuce, and astronomers discovered a ring of galaxies that’s so big it defies the laws of physics.
2015x66
Robert Evans, Supernova Superstar
Episode overview
A backyard astronomer holds the world record for most supernovas found by searching manually. He’s memorized what over a thousand galaxies look like.
2015x67
Solving the Mysteries of Saturn
Episode overview
This week on SciShow Space News, Cassini visited Saturn’s moon Dione for the last time, and two little shepherd moons may have helped form some of Saturn’s rings.
2015x68
Turning Astronaut Pee Into Plastic
Episode overview
NASA recently sponsored new research into turning human waste into useful things, like food and plastic. And it might be used on long-term spaceflight someday.
2015x69
Fire Fountains on the Moon
Episode overview
This week on SciShow Space News, researchers have figured out which gas drives fire fountain eruptions on the Moon. And you can send a message or your name to the Moon or Mars!
2015x70
Great Minds: Katherine Johnson, Human Computer
Episode overview
In the early days of spaceflight, if NASA needed to plot a rocket’s path or confirm a computer’s calculations, they knew who to ask: Katherine Johnson.
2015x71
Has Stephen Hawking Solved a Black Hole Paradox?
Episode overview
Stephen Hawking recently announced that he’d come up with an answer to one of the biggest questions in physics. But it’ll probably be a while before we know exactly what it is.
2015x72
Spock, Hillary, Cthulhu & Other New Names for Pluto and Its Moons
Episode overview
Earlier this year, NASA put out a call for names for features on Pluto and its moons based on an established set of rules. Now, it’s finally time to put those names on the map.
2015x73
Destroying Space Junk With Lasers, and Two Rare Eclipses!
Episode overview
This week on SciShow Space News, astronauts had to take the scenic route to the ISS because of some space debris. And this month, you might get to see two eclipses: a solar eclipse, and a rare supermoon eclipse.
2015x74
Building a Dyson Sphere
Episode overview
What if an advanced civilization ran out of room to grow on their home planet? Their best bet might be to build settlements in space, so they could capture more of their star’s energy.
2015x75
Let's Nuke Mars!
Episode overview
Elon Musk thinks that we can make Mars habitable by nuking it. But would that really work?
2015x76
3 Epic Space Mission Fails
Episode overview
Space missions are difficult. Reid describes three epic space mission fails!
2015x77
The Ocean on Enceladus is Really Big
Episode overview
This week on SciShow Space News, Saturn’s moon Enceladus probably has a giant ocean covering the entire world. And the year-long mission to the International Space Station just hit its halfway point!
2015x78
Journey to the Center of the Galaxy
Episode overview
Find out what kinds of things are lurking near the center of our galaxy!
2015x79
Why Comet 67P Is Shaped Like a Duck, and New Pluto Photos!
Episode overview
This week on SciShow Space News, photos of Comet 67P and Pluto are helping us solve old mysteries and creating some new ones.
2015x80
The Wow! Signal
Episode overview
Deep in an archive in Columbus, Ohio, there’s a slip of paper with a bunch of random-looking letters and numbers printed on it called the ‘Wow’ signal.
2015x81
5 Places NASA May Go to Next
Episode overview
NASA just announced the five finalists for the next Discovery missions. It looks like we’ll be sending probes to Venus, studying asteroids, or both!
2015x82
Have We Contaminated the Moon?
Episode overview
Humans are full of microbes. Humans also went to the Moon. Does that mean we left colonies over there?
2015x83
The Lakes and Rivers of Ancient Mars
Episode overview
Ancient Mars had a lot of water! This week on SciShow Space News, scientists analyzed the Curiosity rover’s data on the rocks in Gale Crater, using it to learn more about what the lakes and rivers on olden-day Mars might have looked like.
2015x84
How We Figured Out That Earth Goes Around the Sun
Episode overview
Most of the world believed that Earth was the center of the universe for a really long time. Then a few scientists decided to take a closer look.
2015x85
What's Up With the 'Alien Megastructure?'
Episode overview
The Kepler space telescope found a star that randomly gets really dim, and some people are suggesting the star’s being blocked by a huge alien structure. It’s… probably not aliens, though.
2015x86
Understanding the Most Extreme Numbers in the Universe
Episode overview
Humans are great at understanding medium-sized things, like how far the supermarket is from your house, or how to find the bathroom in the dark. But imagining distances in light-years is a lot harder -- so you’ll have to use a trick or two.
2015x87
Cosmic Cocktails: Oxygen and Alcohol in Space!
Episode overview
Scientists studying Comets 67P and Lovejoy have discovered oxygen, alcohol, and the building block of sugar. Sounds like a regular Friday night on earth, but it’s the first time we’ve found any of these things on a comet.
2015x88
Using Sunlight to Propel Spaceships
Episode overview
When scientists are planning missions, they sometimes have to take into account the fact that the light from the Sun pushes on the spacecraft. But with solar sails, they can also use that pressure to propel the craft along.
2015x89
How Carl Sagan Predicted Nuclear Winter
Episode overview
Carl Sagan predicted some amazing things including the aftermath of nuclear war.
2015x90
Great Minds: Tycho Brahe, the Astronomer With a Pet Elk
Episode overview
This episode has no summary.
2015x91
NASA Needs Astronauts!
Episode overview
Learn about what might be one of the most important exoplanets we've discovered yet, and what you need to apply to become an astronaut!
2015x92
Why Shouldn't You Look at the Sun?
Episode overview
You might have done it accidentally or intentionally but one thing is clear: Don't stare at the the sun! Hank Green explains why.
2015x93
A New Dwarf Planet?
Episode overview
Astronomer Jean-Luc Margot has come up with a new definition for planets that may help us categorize worlds outside of the solar system, and we may have also discovered a new dwarf planet within the solar system!
2015x94
The Fastest Runaway Star in the Galaxy
Episode overview
Most stars orbit the center of the galaxy. Some stars don't. Learn what scientists think is going on, with Reid Reimers!
2015x95
Will there be a ring in Mars's future?
Episode overview
Will Mars have a ring around it? Hank Green explains in this episode of Scishow Space News!
2015x96
Triton: The Celestial 'Cantaloupe'
Episode overview
Join SciShow Space as we explore Neptune's largest moon, Triton. It's kind of a weird place and may even have liquid water!
2015x97
Mission Cliffhanger On Venus
Episode overview
Akatsuki missed Venus once, but with a little ingenuity and its secondary engines, it's heading back on December 7th!
2015x98
Take a Trip to Titan!
Episode overview
Get your gasmasks ready because we’re taking a trip to Titan! Reid Reimers tells us all about the mysterious moon.
2015x99
Multicolored Meteor Shower!
Episode overview
Those bright spots on Ceres? We've got some new insight into what they might be! Also, the Geminids meteor shower is coming up and will peak on December 13-14.
2015x100
The First Few Moments That Physics Can't Explain
Episode overview
Although science has provided astounding insights into the origins of the universe, we're still not quite sure what happened in those very first few moments.
2015x101
Two New Planets Discovered?
Episode overview
Click here to find out more about “New Planets Found!” and “SUPER EARTH Orbiting Our Sun!”. Ignore the clickbait...Hank Green explains what might have been found in this episode of SciShow Space.
2015x102
Diving Into the Sun!
Episode overview
We've talked about a lot of extreme environments in the solar system, but the sun just might be the MOST extreme! Join SciShow as we dive a little deeper into our friendly neighborhood star.
2015x103
Is the Universe Expanding?
Episode overview
Is the universe expanding? About a hundred years ago astronomers made a discovery that helped us unravel the mystery of the history of the universe!
2015x104
Space Superlatives of 2015!
Episode overview
Let's talk about some of the awesome stuff that happened in 2015! Caitlin Hofmeister tells us all about some pretty nifty black holes and the biggest rocket created by NASA.

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