The International Space Station’s first visitors from India, Poland and Hungary headed back to Earth on Monday, ...

The payload Russia's military chose to launch on the Angara A5 is unusual. The rocket deployed its primary passenger, Kosmos ...

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda galaxy. Zoom in and explore.

A Martian meteorite, believed to be the largest ever found on Earth, was sold at Sotheby’s auction in New York for $5.3 ...

The Apollo-Soyuz Test Project brought Soviet cosmonauts and NASA astronauts together in the first international human ...

Earth has rarely looked as remarkable as it does in this stunning shot (above) captured by NASA astronaut Don Pettit from the International Space Station (ISS).

Astrophotographer Greg Meyer has captured a spectacular image of the Fireworks Galaxy (NGC 6946) shining close to the dark shape of the Seahorse Nebula.

Here's everything to know about the James Webb Space Telescope, and what it captured on its three-year anniversary observing the cosmos. To mark Webb's third year of operations, NASA shared an image ...

"Transitional millisecond pulsars are cosmic laboratories that help us understand how neutron stars evolve in binary systems." ...

Have you ever wondered about life along the border? I grew up there as a first-generation American, so I can tell you a ...

An international team of astronomers has discovered a massive cloud of gas and dust located in a little-known region of our ...