The asteroid, designated 2024 YR4, jumped to the top of NASA's risk chart, with a slim but measurable chance of striking ...

A chunk of space rock that visited near Earth's orbit last year was widely called a "mini-moon," a nickname that was more ...

Last year, astronomers on the hunt for potentially dangerous near-Earth asteroids spotted something unusual. A space rock, ...

A small asteroid, referred to as Earth's temporary "mini-moon," could actually be a piece of the Moon that broke away ...

Asteroid 2024 PT5 was discovered by Nasa's Asteroid Terrestrial-Impact Last Alert System (ATLAS). Scientists believe that the ...

For a brief, but exciting, time last year, Earth had two moons. A small asteroid lingered close to our planet in its orbit ...

Scientists think a small rock discovered near Earth last August was hurled into space by an ancient impact on the lunar surface.

Comet ATLAS (C/2024 G3) came three times closer to the sun than Mercury on January 13—and this may have changed it ...

An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an ...

For a few months, Earth had a second moon — a tiny asteroid that may have been a piece of our own Moon ...

A near-Earth object was likely ejected into space after an impact thousands of years ago. Now it could contribute new ...

A small asteroid named 2024 PT5, once hailed as Earth's temporary second moon, might have originated from our very own Moon.