Meteorites are rocks from space that survive their fiery descent through Earth's atmosphere and reach the ground. More than ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

For a few evenings around 28 February, every planet in the solar system will be visible in the night sky, thanks to a rare great planetary alignment. Here's how to make sure you don't miss this ...

Carbon dioxide has been detected on a planet outside our solar system for the first time. The gas has been observed directly by the James Webb Space Telescope on four exoplanets, all belonging to ...

The most elusive planetary aurora in the Solar System has finally been revealed in all its gently glowing glory.

The solar system was packed with 50 to 100 protoplanets billions of years ago. Not all of them lived to tell the tale of the ...

Astronomers have identified a quartet of small rocky planets orbiting Barnard’s star – one of our closest stellar neighbors – ...

Neptune lies in the frigid, dark, vast frontier of the outer edges of our solar system, about 3 billion miles away from the ...

The gas giants outside our solar system are not capable of hosting extraterrestrial life, but do offer clues in a lingering ...

If that’s too long to wait, two total lunar eclipses are also coming, one in September and another next March. Unlike total solar eclipses, which are visible only along a narrow path on Earth’s ...