A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...

Pluto was believed to be the only body beyond Neptune with an atmosphere. Now, a new discovery in our solar system is ...

A tiny world that orbits way beyond Neptune surprised astronomers with a thin atmosphere that they did not expect to find.

A team of professional and amateur Japanese astronomers found evidence for a thin atmosphere around a small body in the outer ...

Jupiter’s moon Ganymede is larger than the planet Mercury, hides a massive ocean beneath ...

The original story “ Mercury has a 10-mile-thick layer of diamonds under its surface ” is published in The Brighter Side of ...

A team of professional and amateur Japanese astronomers have found evidence for a thin atmosphere around a small body in the outer solar system. The object is so small that it should not have a ...

Ganymede is not only Jupiter's largest moon, but also the largest in our solar system and one of the few that hosts a massive ...

On July 1, 2025, a telescope in Chile caught a faint smudge drifting across the sky. Within weeks, astronomers confirmed it ...

A bizarre planetary pairing 190 light-years away is challenging everything astronomers thought they knew about how worlds form. A “lonely” hot Jupiter — typically found without nearby companions — is ...

Merging black holes and neutron stars have unusual oval orbits prior to colliding and merging, which challenge the laws of ...