
OSIRIS-REx will be the first U.S. mission to carry samples from an asteroid back to Earth. In 2019, OSIRIS-Rex will…

Backdropped by the thin line of Earth's atmosphere and the blackness of space, the Japanese Kibo complex of the International…

NASA astronaut Scott Kelly, Expedition 43/44 flight engineer and Expedition 45/46 commander, participates in a biological sampling training session in…

NASA astronaut Scott Kelly, Expedition 43/44 flight engineer and Expedition 45/46 commander, participates in a biological sampling training session in…

NASA astronaut Scott Kelly, Expedition 43/44 flight engineer and Expedition 45/46 commander, participates in a biological sampling training session in…

NASA astronaut Scott Kelly, Expedition 43/44 flight engineer and Expedition 45/46 commander, participates in a biological sampling training session in…

NASA astronaut Scott Kelly, Expedition 43/44 flight engineer and Expedition 45/46 commander, participates in a biological sampling training session in…

NASA astronaut Scott Kelly, Expedition 43/44 flight engineer and Expedition 45/46 commander, participates in a biological sampling training session in…

On June 27, 1995, the Space Shuttle Orbiter Atlantis (STS-71) took off from Kennedy Space Center for what would be…

Clouds over the South Pacific are featured in this image photographed by an Expedition 40 crew member on the International…