A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest ...

Hiding in the blinding glare of our own Sun, astronomers have spotted a new cosmic speedster. The asteroid, called 2025 SC79, ...

The Earth often gets a few visitors in the solar system, but some stick around for a while. Here's what to know about the ...

The universe has quasi-moons, mini-moon, and moonlets, but no official definition of what counts as a moon.

The discovery of quasi-moon PN7 has caused a stir on social media. A University of Oregon astronomy professor explains. what ...

Technically, it's not a real moon. It's what scientists call a quasi-moon—a space rock that doesn't orbit Earth directly but ...

2025 PN7 is a small, dim asteroid that appears to orbit Earth, according to EarthSky. Believed to be a piece of the moon that ...

In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically ...

The asteroid is of a similar size as the one that exploded over Chelyabinsk in 2013. The Hayabusa2 mission is facing a new challenge after observations showed the asteroid it is going to rendezvous ...

Scientists at the Sandia National Laboratories in New Mexico are testing a new method of asteroid tracking using the heliostat mirrors at concentrated solar farms. Though these mirrors usually sit ...

Astronomers have found signs that the small icy world Chiron, orbiting between Saturn and Uranus, may be forming a new ring ...

Our planet had a "second moon" for a hot minute in 2024. This gave space entrepreneurs a bright idea. Almost a year ago, the space science community watched as an asteroid entered Earth's orbit and ...