Astronomers have detected water molecules on the surface of asteroids, a surprising find given that the space rocks were thought to be “completely dry.” ...

Interstellar visitor Comet 3I/ATLAS was discovered just a week ago and ever since, astronomers across the world have been hard at work following it, trying to gather as much data on it as possible.

An object, discovered in September by astronomers searching for near-Earth asteroids, garnered interest in the planetary science community due to its size and unusual orbit. Using data collected ...

It’s a bird! It’s a plane! No, it’s an asteroid-comet hybrid called a ‘centaur’ that might not even be that. Asteroids are metallic rocks that form close to the sun, while comets are ...

The jig may be up for an “asteroid” that’s expected to get nabbed by Earth’s gravity and become a mini moon next month. Instead of a cosmic rock, the newly discovered object appears to be ...

The object promptly was added to the International Astronomical Union’s Minor Planet Center’s tally of asteroids and comets found in our solar system, just 5,000 shy of the 1 million mark.

A new paper suggests that there may be 19 asteroids -- all part of the Centaur family -- that didn't come from our own solar system at all. If this were proven true, it would mean we have ancient ...

When Clyde Tombaugh discovered the planet Pluto 70 years ago, the picture of the solar system seemed clear and orderly. It showed our central star, its nine planets, the asteroid belt, and comets v… ...