Repairing the Station in Orbit

Expedition 35 Flight Engineers Chris Cassidy (pictured) and Tom Marshburn (out of frame) completed a spacewalk…

NASA’s GROVER Debuts On Greenland’s Ice Sheet

NASA's new Earth-bound rover began testing on the Greenland ice sheet this week. GROVER, which stands…

Sunrise Over the South Pacific Ocean

The sun is about to come up over the South Pacific Ocean in this colorful scene…

Sounding Rockets Launch from the Marshall Islands

Red and white vapor clouds filled the skies over the Marshall Islands as part of NASA’s…

Orion Crew Module at Kennedy Space Center

Astronaut Don Pettit watches as a technician works on the Orion crew module inside the Operations…

Laser Geodynamics Satellite I

The LAGEOS I, Laser Geodynamics Satellite, was launched on May 4, 1976 from Vandenberg Air Force…

Smartphone Photos From Orbit

These images of Earth were reconstructed from photos taken by three smartphones in orbit, or "PhoneSats."…

Dwarfed Wavemaker

Like a proud peacock displaying its tail, Enceladus shows off its beautiful plume to the Cassini…

Lava Flow on Mawson Peak, Heard Island

In October 2012, satellites measured subtle signals that suggested volcanic activity on remote Heard Island. These…

Springtime in the Bay of Biscay

Springtime in the Bay of Biscay, off the coast of France, as in most places, is…