Simulation technicians Brent Bieber, left, and Dennis Pitts install a boilerplate Dream Chaser canopy structure over the cockpit of a…
Four RS-25 engines will power the core stage of NASA's Space Launch System (SLS) -- NASA's new heavy-lift launch vehicle.
Russian cosmonaut Pavel Vinogradov, Expedition 36 commander; along with NASA astronaut Chris Cassidy and Russian cosmonaut Alexander Misurkin are in…
Russian cosmonaut Pavel Vinogradov, Expedition 36 commander; along with NASA astronaut Chris Cassidy and Russian cosmonaut Alexander Misurkin are in…
NASA astronaut Chris Cassidy waves good-bye to his crewmates in the Poisk Mini-Research Module 2.
European Space Agency astronaut Luca Parmitano and Russian cosmonaut Alexander Misurkin exchange good-bye hugs in the Poisk Mini-Research Module 2.
Russian cosmonaut Pavel Vinogradov, Expedition 36 commander; along with NASA astronaut Chris Cassidy and Russian cosmonaut Alexander Misurkin prepare to…
Expedition 35/36 and Expedition 36/37 crew members pose for a group portrait in the International Space Station's Destiny laboratory.
Saturn's rings appear to form a majestic arc over the planet in this image from NASA's Cassini spacecraft.This view looks…
This artist's concept depicts NASA's Voyager 1 spacecraft entering interstellar space, or the space between stars. Interstellar space is dominated…
