Canadian Space Agency Astronaut Jeremy Hansen to be Exploration Lead on NASA Underwater Mission | NEEMO 19

Scientists Find Evidence of ‘Diving’ Tectonic Plates on Jupiter’s Moon Europa | NASA Jet Propulsion Laboratory

What Are Comets Made Of?

Lake Como, Italy | International Space Station

Rosetta Comet 67P: Close-up View on September 5, 2014 | ESA

Thunderheads Near Borneo, Indonesia International Space Station

Orion: First Deep Space Crew Module Complete | NASA

Sandstorm over the Sahara Desert | International Space Station

Bangkok to North Pacific (annotated) | NASA

SpaceX Launch of Asiasat-6 on Falcon 9 v1.1 Rocket

Inside the ISS: Expedition 38 Earth Observations

STEREO's View of Aug. 24, 2014 Solar Eruption | NASA

China's Yutu rover takes 360-degree panoramic photo of the Moon | CCTV News

Earth cloud shadows | International Space Station

Starbursting Sculptor Galaxy

Around IRAS 13481-6124 | European Southern Observatory