
Two members of the ARADS science team recover the sensors that they had buried in the Atacama Desert one year…

Sand dunes often accumulate in the floors of craters. In this region of Lyot Crater, NASA’s Mars Reconnaissance Orbiter (MRO)…

Expedition 56 flight engineer Ricky Arnold of NASA prepares the RemoveDEBRIS satellite for deployment aboard the International Space Station. The…

African agricultural fires light up the continent.

NASA’s Mars Reconnaissance Orbiter (MRO) observed sand dunes in the north polar regions of Mars.

The above image shows SOFIA data tracing gas in the Omega nebula, or M17, layered over an image of the…

NASA astronaut Ricky Arnold Drew Feustel takes an out-of-this-world “space-selfie” during a spacewalk he conducted with fellow NASA astronaut Drew…

NASA astronaut Drew Feustel is pictured tethered to the International Space Station just outside of the Quest airlock during a…

NASA astronaut Drew Feustel is pictured outside of the Quest airlock during a spacewalk he conducted with fellow NASA astronaut…

NASA astronaut Ricky Arnold is pictured during a spacewalk he conducted with fellow NASA astronaut Drew Feustel (out of frame)…