
NASA’s Super Guppy cargo transport aircraft taxis in from the Plant 42 runway to NASA’s Armstrong Flight Research Center Building…

A front view of NASA’s Super Guppy cargo transport aircraft as it taxis in at NASA’s Armstrong Flight Research Center…

NASA’s Super Guppy cargo transport aircraft parked on the ramp in front of NASA’s Armstrong Flight Research Center Building 703.

The International Space Station flew 265 miles above this cloudy formation in the south Indian Ocean.

NASA astronaut Christina Koch enters the Quest airlock moments before completing her first spacewalk to upgrade the International Space Station's…

NASA astronaut Nick Hague takes a "space-selfie" with his helmet visor up and the Earth 260 miles below him.

NASA astronaut Nick Hague participates in his second spacewalk to upgrade the International Space Station's power storage capacity.

NASA astronaut Christina Koch participates in her first spacewalk to upgrade the International Space Station's power storage capacity.

Illustration of NASA’s OCO-3 mounted on the underside of the International Space Station

This map shows solar-induced fluorescence (SIF) measured by OCO-2 from Aug. through Oct. 2014.