The magenta spots in this image show two black holes in the Circinus galaxy: the supermassive black hole at its…
This natural-light, mosaic view of the continental United States is from two nighttime images acquired early on Oct. 1, 2013,…
The robotic arm lifts and lowers a golden James Webb Space Telescope flight spare primary mirror segment onto a test…
Japan Aerospace Exploration Agency astronaut Koichi Wakata, Expedition 38 flight engineer, wears ultrasound gear around his legs.
NASA astronaut Rick Mastracchio, Expedition 38 flight engineer, exercises on the Cycle Ergometer with Vibration Isolation System.
The diaphragm for Exploration Flight Test (EFT)-1 was joined to an adapter prototype for pressurized testing.
The Convair YF-102 Delta Dagger interceptor was a scaled-up version of the delta-wing XF-92A.
MESSENGER image of comet 2P/Encke during its closest approach to Mercury. At that time, Encke was approximately 2.3 million miles…
While the moon Epimetheus passes by, beyond the edge of Saturn's main rings, the tiny moon Daphnis carries on its…
Russian cosmonaut Oleg Kotov, Expedition 38 commander, uses a digital camera photospectral system to perform a session for the Albedo…
