Comet Lovejoy is favorably located in the night sky for late-night observers.
Comet ISON is seen the lower right of this image from the ESA/NASA Solar and Heliospheric Observatory mission, captured at…
NASA astronaut Rick Mastracchio, Expedition 38 flight engineer, works with Biolab hardware in the Columbus laboratory.
This image by NASA’s Kepler spacecraft shows the telescope’s full field of view taken in a new demonstration mode in…
Engineers have developed an innovative way to stabilize and control the spacecraft. This technique of using the sun as the…
The magenta spots in this image show two black holes in the spiral galaxy called NGC 1313, or the Topsy…
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…
NASA astronaut Rick Mastracchio, Expedition 38 flight engineer, exercises on the Cycle Ergometer with Vibration Isolation System.