
NASA flight surgeon Joe Schmid in Kazakhstan waiting for the crew to land.

Flight surgeons on the job in Kazakhstan. After returning to Earth aboard a Russian Soyuz space capsule, an ISS crewmember…

NASA astronauts Steve Swanson and Scott Tingle participate in a spacewalk training session at the Neutral Buoyancy Laboratory (NBL) near…

An Orbital ATK technician checks the avionics control panels at Orbital ATK’s Avionics Lab in Clearfield, Utah.

European Space Agency astronaut Samantha Cristoforetti, on the International Space Station, took this Earth observation picture of England, the Baltic…

Supermassive black holes at the cores of galaxies blast radiation and ultra-fast winds outward, as illustrated in this artist's conception.

NASA astronaut Terry Virts captured this Earth observation of Ireland, United Kingdom and Scandinavia on a moonlit night under an…

NASA astronaut Terry Virts took this picture of the United States Gulf Coast on Feb. 12, 2015, while he was…

Time lapse video shows three-month demolition of Armstrong's Mate-Demate Device, which prepared the space shuttles that landed at Edwards AFB…

Two images from MODIS were combined to show Tropical Cyclones Marcia and Lam affecting northeastern Australia.