
NASA astronaut Scott Kelly is seen inside a Soyuz simulator at the Gagarin Cosmonaut Training Center (GCTC), Wednesday, March 4,…

American astronaut Michael Hopkins next to the J-SSOD containing TechEdSat-3

This artist’s conception shows the 30 Ari system, which includes four stars and a planet. The planet, a gas giant,…

In the weeks after NASA’s InSight mission reaches Mars in September 2016, the lander’s arm will lift two science instruments…

This map shows the single area under continuing evaluation as the InSight mission’s Mars landing site, as of a year…

Location of the thrust vector control actuators on the SLS RS-25 engine.

ESA astronaut, Alexander Gerst uses the Optical Coherence Tomography (OCT) camera during an Ocular Health (OH) vision test

NASA astronaut Steve Swanson, Expedition 40 commander, harvests a crop of red romaine lettuce plants that were grown from seed…

NASA Marshall’s Roger Parisa and Miranda Holton get the thrust vector control actuator ready for vibration testing.

European Space Agency astronaut Alexander Gerst, Expedition 40 flight engineer, works with experiment samples.