The star HIP 67522 with a flare erupting toward an orbiting planet, HIP 67522 b, is depicted in this illustration released by ...

Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so ...

Pieces of Mercury may have been found on Earth, potentially allowing scientists to study the Solar System's innermost planet.

A couple of meteorite samples currently being investigated could be the first pieces of Mercury on Earth. Ben Rider-Stokes, a ...

They’re not a perfect match, but it’s way too hot on the first planet for us to hop over and confirm for ourselves.

A meteor shower, a planet sighting, and a full moon. Here's how to see all of space's eye-catching activity in July.

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...