This cosmic question mark, seen in 2024, is courtesy of galaxy cluster MACS-J0417.5-1154, which is so massive that it is ...

A spectacular aurora display painted the skies above Europe on January 19, 2026, as seen from the International Space Station ...

Scientists have created the highest resolution map of the dark matter that threads through the universe—showing its influence ...

NASA's James Webb Space Telescope has zoomed into the Helix Nebula to give an up-close view of the possible eventual fate of ...

The Artemis II crew comprises NASA astronauts Reid Wiseman, Victor Glover and Christina Koch, and Canadian Space Agency ...

Dark matter is a mysterious substance that glues galaxies together. This map from the James Webb Space Telescope could help ...

NASA spots a rare, glowing gourd-like structure racing at one million mph—then watches it transform in the blink of an eye ...

Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction.

Families of the astronauts lost in the space shuttle Challenger accident are marking that tragic day 40 years ago.

By Will Dunham WASHINGTON, Jan 26 (Reuters) - Using observations from the James Webb Space Telescope in a patch of the sky ...

An astronomer from the University of Nottingham has been awarded a Leverhulme Award for her research into supermassive black ...

NASA’s James Webb Space Telescope captured detailed images of gas and dust shaped by a dying star in the Helix Nebula, ...