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

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 ...

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

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 ...

Why hadn't we noticed it sooner? - NASA and all of humanity failed to locate this asteroid. They are small in size and the ...

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

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

The Comet C/2024 G3 (ATLAS) is expected to be the brightest comet in nearly 20 years, making it as easy to spot as the planet ...