Magnificent Blast | NASA STEREO Spacecraft

An Astronaut's View from Space | NASA

NASA Invites Public to Submit Messages for Asteroid Mission Time Capsule

Laser Guide Star | European Southern Observatory

The Alien Whisperer: Jill Tarter on 38 Years of Hunting For E.T. | Popular Science

Air Pollution in China: Historical Context | NASA Earth Observatory

Magnificent Blast | NASA STEREO Spacecraft

"The Sun Exposed" by Alan Friedman

"The Journey" by Tommy Richardsen

Great Britain | International Space Station

Planetary Nebula Hen 2-437 by Judy Schmidt

"Lights in the City" by Ole Christian Salomonsen

San Luis Potosi, Mexico | International Space Station

Is NASA Going to Find Life on Europa? | Discovery News

Training at NASA's Johnson Space Center: Astronaut Andreas Mogensen of Denmark | European Space Agency

ATV-5 launch campaign: Timelapse video | European Space Agency