For nearly five decades, NASA’s Voyager 1 and 2 spacecraft have ventured farther than any other human-made object, pushing ...

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

The first map of magnetic fields in a planetary formation disk has been created, revealing how invisible forces shape the ...

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

Believe it or not, there is currently an international space safety emergency protocol in effect across the entire planet.

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

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

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 ...

This article was originally featured on The Conversation. Are planets in the solar system that are closer to the Sun older than the ones further away? – Gavriel, age 10, Paducah, Kentucky A cloud of ...