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.
European Space Agency astronaut Alexander Gerst, Expedition 40 flight engineer, works with experiment samples.
European Space Agency astronaut Samantha Cristoforetti took this photograph of the island of Hawaii and posted it to social media…
NASA astronaut Terry Virts simulates extravehicular activity in the Johnson Space Center's Neutral Buoyancy Laboratory.