On a January morning 10 years ago, tiny pieces of a comet landed on Earth inside of a spacecraft -- and these samples are still teaching us new things about the origins and evolution of our solar system.
Look at that fresh debris on the moon! It's the result of a smack-down from a rocket that left Earth 44 years ago, carrying the Apollo 16 astronauts to the lunar surface.
What did we learn from Voyager 1? Read about the mysterious processes of Saturn and some of the secrets of its moons.
It's hard work to be in space for months at a time. Read about the record-holders for America's single spaceflights -- including Scott Kelly, who just recently surpassed the previous mark of 215 days.
Candidates must hold a bachelor’s degree from an accredited institution in engineering, biological science, physical science or mathematics.
How pretty pictures from the Apollo landings helped NASA do real science on the moon.
See just how well Hubble is doing after 25 years in orbit.
There are many precious Apollo artifacts at the Smithsonian that need a little tender, loving care.
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