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

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

These are the planets that will be visible with the naked eye. A rare parade of planets will light up the night sky ...

Nasa astronaut Suni Williams, one of two astronauts stuck on the International Space Station, has completed her first ...

One of NASA's two stuck astronauts is getting a change of scenery. Suni Williams stepped out on a spacewalk Thursday, her ...

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

Starship, the most powerful rocket ever built, pulled off a daring booster catch on its most ambitious test flight yet, but ...

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

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

NASA astronaut Don Pettit has snapped a striking shot of the super-bright comet racing past our planet for the first time in ...

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