A distant gas giant the size of 10 Jupiters is now the first planet outside Earth's solar system to be mapped in three ...

A coronal mass ejection on another star has been witnessed in its entirety for the first time, revealing that when these ...

Recent research has challenged the traditional view that water on planets must be delivered from space, suggesting instead ...

The space object, named Chiron, is believed to be a piece of rock measuring a whopping 130 miles wide at its broadest point - ...

On August 24, 2006, our solar system lost a planet. It wasn't by cataclysmic destruction, but rather by the vote of the International Astronomical Union, which declared that Pluto, considered the ...

It’s often assumed that Earth is somehow separate from the rest of the universe. Yet changes in environments across the solar ...

We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to reach somewhere truly empty? Our first stop is the International Space ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

New observations of a strange object that wobbles around the space between Jupiter and Uranus reveal what looks like a system ...

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic ...

Astronomers have discovered asteroid 2025 SC79, a skyscraper-sized space rock orbiting the sun in just 128 days. the ...