A Brighter Moon

Although Dione (near) and Enceladus (far) are composed of nearly the same materials, Enceladus has a…

Fingerprints of Water on the Sand

NASA astronaut Kjell Lindgren took this photograph on Nov. 11, 2015 from the International Space Station.…

Fingerprints of Water on the Sand

NASA astronaut Kjell Lindgren took this photograph on Nov. 11, 2015 from the International Space Station.…

Veiny ‘Garden City’ Site and Surroundings on Mount Sharp, Mars

This March 27, 2015, view from the Mast Camera (Mastcam) on NASA's Curiosity Mars rover shows…

Veiny ‘Garden City’ Site and Surroundings on Mount Sharp, Mars

This March 27, 2015, view from the Mast Camera (Mastcam) on NASA's Curiosity Mars rover shows…

Psychedelic Pluto

New Horizons scientists made this false color image of Pluto using a technique called principal component…

Psychedelic Pluto

New Horizons scientists made this false color image of Pluto using a technique called principal component…

Scott Kelly on the Second Spacewalk of Expedition 45

On Nov. 6, 2015, NASA astronauts Scott Kelly and Kjell Lindgren spent 7 hours and 48…

Scott Kelly on the Second Spacewalk of Expedition 45

On Nov. 6, 2015, NASA astronauts Scott Kelly and Kjell Lindgren spent 7 hours and 48…

Layers and Fractures in Ophir Chasma, Mars

Ophir Chasma forms the northern portion of the vast Mars canyon system Valles Marineris, and this…