What has NASA been doing for the last 50 years?
Find out what scientists learned about Earth, the solar system and distant galaxies during 2007.
Students help Phil Christensen compare rocks from Earth and Mars.
› Read Students 5-8 Article
Pick a planet and get the facts! Learn more about the solar system.
Mars and Earth are at their closest this month, so now is your best chance to see our planetary neighbor.
NASA announces the 50th Anniversary Essay Competition for middle and junior high school students.
Robert Bindschadler braves the world's coldest climates -- and he likes it.
A student receives awards and scholarships using NASA data to research global warming.