Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

One of NASA’s two stuck astronauts got a much welcomed change of scenery Thursday, stepping out on her first spacewalk since ...

"The question 'Are we alone?' is one of the most significant questions, not just in the history of science, but in the ...

An enormous asteroid potentially larger than the Washington Monument is due to zip past our planet today. The asteroid, named ...

"Once again, the temperature record has been shattered — 2024 was the hottest year since record keeping began in 1880." ...

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

Astronauts Suni Williams and Nick Hague completed pivotal maintenance tasks on the International Space Station in their ...

We have long been inspired by the idea that life could reside on Mars – human or otherwise. But fiction is getting closer to ...

Sunita Williams, one of the two NASA astronauts stranded on the ISS, completed her first spacewalk since arriving over seven ...

SpaceX plans to launch the seventh full-scale test flight of its massive Super Heavy booster and Starship rocket Thursday ...

Pandora, NASA's newest exoplanet mission, is one step closer to launch with the completion of the spacecraft bus, which ...