The Antarctic ozone hole closed early in 2025 after one of the shortest seasons in decades, reflecting long-term recovery of the ozone layer.

A German town has been peppered by meteorites after a stunning "fireball" exploded in the skies over central Europe. One extraterrestrial fragment landed in a bedroom after punching a soccer ball-size ...

When the densest objects in the universe collide and merge, the violence sets off ripples, in the form of gravitational waves ...

A 1,300-pound NASA satellite is expected to crash through Earth's atmosphere March 10, 2026, with some of the spacecraft possibly surviving re-entry.

The satellite, launched 14 years ago, will make an uncontrolled re-entry Tuesday evening. NASA estimates the risk of harm to anyone on Earth to be "approximately 1 in 4,200." ...

CWISE J1249+36, a low-mass runaway star, is traveling at an extraordinary speed that could propel it out of the Milky Way.

The Van Allen probe's mission was meant to last two years, but ended up going for nearly seven.

The Hubble Space Telescope's evidence of an "intermediate-sized" black hole about 6000 light-years away in the closest ...

After 14 years in orbit, NASA's Van Allen Probe A satellite is expected to begin re-entering Earth's atmosphere on Tuesday.

Astronomers are working to capture the first-ever video of a black hole — a groundbreaking effort that could shed light on how these enigmatic cosmic objects behave and offer clues about the origins ...

A spacecraft could plunge into Earth’s atmosphere as soon as Tuesday. While most of the probe will likely burn up during reentry, a few components are expected to survive.

It’s a homecoming to rock your world. A 1,323-pound spacecraft is expected to rip through Earth’s atmosphere Tuesday night, warns NASA of the incoming juggernaut. “The U.S. Space Force predicted that ...