A NASA astronaut is seen as the Earth's surface passes by in the background on the International Space Station, in this ...

NASA has confirmed the discovery of a mysterious new planet beyond Neptune, shaking up our understanding of the outer reaches of the solar system. Astronomers are now analyzing this strange celestial ...

The ripples suggest that the lake was free of ice at one point.

Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

NASA's New Horizons Pluto probe is gearing up to cross the "termination shock," an exotic boundary in the outer solar system, ...

President Trump launched the Artemis program to return U.S. astronauts to the moon for the first time since Apollo. Now, the ...

Every once in awhile, NASA publishes a photo of something in space taken by one of their probes. But how exactly do probes in ...

NASA is a methodical institution that plans its missions years or even decades in advance, enjoys a famously loyal workforce ...

Meet Grace, the brave hopper robot that’s designed to jump into the darkest depths of the Moon, providing never-before-seen ...

Musk's DOGE is about to audit one of the agencies that has secured him billions in contracts over the last decade.