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

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

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

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." ...

"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 ...

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

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

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

Jeff Bezos' Blue Origin launched its massive new rocket on its first test flight Thursday, sending up a prototype satellite ...