The asteroid is estimated to be between 656 and 1,443 feet across, and will pass at 16 times the distance to the moon.

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 ...

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

"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 ...

"Some of the extreme ultraviolet light above active regions flickers erratically for a few hours before a solar flare," ...

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." ...

Sunita Williams, one of the NASA astronauts stuck in space, ventured out to conduct essential maintenance tasks on the ...

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 ...