The two astronauts have a busy day ahead of them. Hague and Williams will "patch light leaks in the NICER X-ray telescope, ...

Earth-bound landmarks ravaged by war, climate change, tourism and other threats also landed in the World Monuments Watch ...

The company scrubbed its first attempt at sending the powerful rocket to orbit on Monday. The flight is a crucial test of the ...

When the ride opened on Jan. 15, 1975, an Apollo moonwalker was its first passenger, NASA's insignia was on display and Space ...

An illustration of a private U.S. lander on the surface of the moon built by Texas-based company Firefly Aerospace. The ...

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

A SpaceX mission set to lift off overnight marks a first for Firefly Aerospace under NASA's plans to build up American ...

Built by Firefly Aerospace and Ispace, the pair of spacecraft will land separately in the moon's northern latitudes, conduct ...

From windswept craters to frigid ice caps, explore Martian landscapes through the eyes of NASA’s orbiters, probes and rovers ...

NASA has released images of a vanishing "ghost island" in the Caspian Sea captured by its satellites. The Kumani Bank mud ...

The two landers rocketed away in the middle of the night from NASA’s Kennedy Space Center, the latest in a stream of private ...

SpaceX has sent Japanese and U.S. lunar landers on separate missions in a major step in the race to commercialize the Moon.