
ISS036-E-003194 (22 May 2013) -- NASA astronaut Chris Cassidy, Expedition 36 flight engineer, works on the Capillary Flow Experiment aboard…

ISS036-E-003301 (22 May 2013) -- In the Destiny lab aboard the International Space Station, NASA astronaut Chris Cassidy, Expedition 36…

ISS036-E-002224 (21 May 2013) -- The sun is captured in a "starburst" mode over Earth's horizon by one of the…

ISS036-E-005323 (30 May 2013) -- Russian cosmonaut Fyodor Yurchikhin, Expedition 36 flight engineer and assigned Expedition 37 commander, enters data…

ISS036-E-003308(23 May 2013) -- Onboard the International Space Station, Expedition 36 Flight Engineer Chris Cassidy, NASA astronaut, watches from just…

The flight path of a NASA Global Hawk is depicted in this graphic image as it headed back to NASA's…

NASA's Curiosity rover found evidence for an ancient, flowing stream on Mars at a few sites, including the rock outcrop…

This stereo view from NASA's Mars rover Curiosity shows a rock called "Link," which bears rounded pebbles that provide evidence…

Researchers prepare a long-duration balloon for its flight around the South Pole carrying the CREAM instrument high in the atmosphere…

CREAM, a balloon-borne cosmic ray instrument, during testing in the Antarctic.