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 ...

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." ...

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 ...

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

For humans, the most important star in the universe is our sun. The second-most important star is nestled inside the ...

The spacecraft built and operated by Texas-based Firefly Aerospace launched in the early Monday hours from Florida aboard a ...

The Eaton fire in Altadena has ravaged 14,117 acres of Los Angeles and claimed 16 lives since it started burning on January 7 ...

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