Space Station Live: Change of Command | NASA

Know a U.S. middle schooler who wants a NASA mentor?

Module Move in Full HD! | International Space Station

NASA's Flying Saucer Makes Second Voyage to the Edge of Space!

World Oceans Day! | International Space Station

Good Day from Space! | International Space Station

"Our Soyuz: Time to wake her up!" | International Space Station

Samantha now holds record for longest single mission by a woman!

"Seven Billion Dreams. One Planet. Consume with Care." | June 5th is World Environment Day | www.unep.org/wed

Samantha: "Seven Billion Dreams. One Planet. Consume with Care." June 5th is World Environment Day | www.unep.org/wed

Goodnight from Space! | International Space Station

Port of Antwerp, Belgium | Earth | Satellite

Lake Balkhash, Kazakhstan | International Space Station

A glimpse of those mysterious bright spots on Ceres | NASA Dawn

Building a Smarter Rover | Astrobiology Magazine

Complex Dark Matter | Fermilab