
This photograph shows ripples in the surface of Denman Glacier in East Antarctica that throw shadows against the ice.

This artist’s concept image shows NASA’s first all-electric X-plane, the X-57 Maxwell, flying shortly after takeoff in its final configuration…

This artist’s concept image shows NASA’s first all-electric X-plane, the X-57 Maxwell, in its final configuration, flying in cruise mode…

This artist’s concept image shows NASA’s first all-electric X-plane, the X-57 Maxwell, sitting in its final configuration in front of…

The coast of Mauritania on the Atlantic Ocean is pictured as the International Space Station orbited above the African nation.

St. Vincent Gulf is pictured as the International Space Station orbited above South Australia.

The northeast coast of Somalia is pictured as the International Space Station orbited above the Gulf of Aden.

The Rio de la Plata in South America separates the nations of Argentina and Uruguay and was pictured as the…

Lake Rukwa in Tanzania is pictured from the International Space Station as it orbited above the Africa continent.

The X-57 operations crew at NASA’s Armstrong Flight Research Center prepare for telemetry testing on NASA’s first all-electric X-plane, the…