Orbiting in reverse around Neptune, Triton is a cosmic rebel with a secret past. This video dives into the evidence that suggests this giant moon was not born around the blue planet but was violently ...

Young star systems are a place of violent collisions. Rocks, comets, asteroids and larger objects carom off one another and ...

Young star systems are a place of violent collisions. Rocks, comets, asteroids and larger objects bounce off one another and ...

In the spirit of the season, the interstellar comet 3I/ATLAS is changing color as it leaves the sun behind — shifting from a ...

United Launch Alliance launched an Atlas V rocket carrying 27 Amazon Leo satellites on December 16, advancing Project Leo’s low Earth orbit internet constellation alongside other commercial rockets.

Astronomers studying the interstellar comet known as 3I/ATLAS have detected a vast and unexpected X-ray halo extending ...

Comet 3I/ATLAS will get closest to Earth on Dec. 19, and astronomers will be watching.

CAPE CANAVERAL SPACE FORCE STATION — The United Launch Alliance was preparing its Atlas V rocket to take up Amazon’s Project Kuiper satellites on Wednesday night, but stood down due to weather ...

A vast ring of rocky leftovers between Mars and Jupiter, the asteroid belt preserves clues to how the planets — and Earth ...

Former Democratic Rep. Abigail Spanberger has defeated Republican Lt. Gov. Winsome Earle-Sears in the race for Virginia’s governorship, after a long campaign with no primaries. Spanberger will succeed ...