What happens when you point the Hubble Space Telescope at the darkest part of the sky for 10 consecutive days? Besides using up extremely valuable time, what would you find?

Use physics to create cool patterns on a vibrating plate. How is this like a guitar string or a singing wine glass?

This is the winning entry for the 2014 Flame Challenge put on by Alan Alda and the Center for Communicating Science. http://flamechallenge.org The competition is judged by 27,000 5th graders from around the world.

You've probably heard the term Dark Matter, but what is it, and how do we know it exists?

Ever seen a ball curve or bend in the air during a soccer game and wondered what exactly makes it curve?

Ever wanted to know how those vomit comet planes simulate weightlessness?

Solar and lunar eclipse - which is which? And how can you finally remember the difference?

Cosmic inflation is a theory that was proposed in the 1980s by cosmologist Alan Guth to answer some of the most fundamental questions of the origins of our universe. It also solved the Horizon Problem and the Flatness Problem.

This unique phenomenon can be easily reproduced in a pool on a sunny day.

Create half-ring vortices in a pool by sliding a plate through water and adding food coloring to the ends.

The physics behind rainbows and surprising facts about rainbows.