
The newly-expanded six-member Expedition 57 crew poses for a portrait inside the International Space Station's Zvezda service module.

Before electricity, water fountains worked by relying on gravity to channel water from a higher elevation to a lower one.…

Russian spacewalker Oleg Kononenko (suit with red stripes) works outside the International Space Station over 250 miles above Earth to…

Russian spacewalker Oleg Kononenko (suit with red stripes) attached to the Strela boom outside the International Space Station about 250…

Russian spacewalkers Oleg Kononenko (suit with red stripes) and Sergey Prokopyev (suit with blue stripes) work outside the International Space…

The Abell 2597 galaxy cluster shows the first clear evidence for the simultaneous inward and outward flow of gas being…

Virgin Galactic SpaceShipTwo returns from its first space flight at Mojave Spaceport in Mojave, California.

Patch: Unmanned Aircraft Systems (UAS) Integration in the National Airspace System (NAS)

NASA astronauts Anne McClain (background) and Serena Auñón-Chancellor are pictured inside the U.S. Destiny laboratory module aboard the International Space…

Logo: Waveforms & Sonic Boom Perception and Response (WSPR)