
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,…

APOD Science APOD APOD: 2015 March 5 –… Today’s APOD Archive Submissions Index Search Calendar RSS Education About Discuss …

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

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

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.

NASA astronaut Chris Cassidy performs an ultrasound on European Space Agency astronaut Luca Parmitano for the Spinal Ultrasound investigation.