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

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

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

The flares may heat up and inflate the planet's atmosphere, which is dominated by hydrogen and helium. Being lashed by these ...

To get a glimpse of the “Swift Planet,” EarthSky suggests waiting for the sun to set before looking west for the planet ...

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