NASA's Spitzer Telescope discovered evidence that a high-speed collision between two planets happened thousands of years ago. Scientists think this type of collision is how planets, like the Earth, are formed.
Ever wonder why a rocket is covered in tile? Find out how this special tile is created and how it will protect the large NASA rockets from the heat of space.
Take a look at the kinds of protective shelters we'd need in order to live on Mars' surface. Here's a hint: the shelters are more stone age than space age.
Mars time and Earth time are so similar, scientists working on the Phoenix Mars Lander mission are in a constant state of jet lag. Space producer Dave Mosher finds out how they're coping with the ever changing clock.
Have you ever wondered if the human race could survive on Mars? Discovery Channel Space Producer Dave Mosher gets the answer to this question and more.