
NASA astronaut Chris Cassidy, Expedition 36 flight engineer, works with an Extravehicular Mobility Unit (EMU) spacesuit in the Quest airlock…

Two NASA aircraft equipped with scientific instruments will fly over the Houston area throughout September of 2013 as part of…

NASA Deputy Administrator Lori Garver and other invited guests are seen on the balcony of NASA Kennedy Space Center’s Operations…

Comet Hartley 2 can be seen in glorious detail in this image from NASA’s EPOXI mission. It was taken as…

The LADEE team performs a launch dress rehearsal at NASA’s Wallops Flight Facility in Virginia.Image credit: NASA

This image from the High-Resolution Instrument on NASA’s EPOXI mission spacecraft shows part of the nucleus of comet Hartley 2.…

This image montage shows comet Hartley 2 as NASA’s EPOXI mission approached and flew under the comet. The images progress…

One of the Expedition 36 crew members aboard the Earth-orbiting International Space Station photographed massive smoke plumes from the California…

One of the Expedition 36 crew members aboard the Earth-orbiting International Space Station photographed massive smoke plumes from the California…

One of the Expedition 36 crew members aboard the International Space Station on Aug. 28 photographed this vertical image that…