The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

A newly discovered object speeding through our solar system is sparking excitement among astronomers because it’s not from around here. Believed to be a comet, the object is only the third celestial ...

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

A tiny meteorite is rewriting what scientists thought they knew about the origins of our solar system. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...