When worlds collide…suns act squirrely. Astronomers have witnessed a rare and violent cosmic crash between two planets, and ...

Anastasios (Andy) Tzanidakis was combing through old telescope data from 2020 when he found an otherwise boring star acting ...

A study led by the University of Oxford has identified a new type of planet beyond our solar system—one that stores large amounts of sulfur deep within a permanent ocean of magma. The findings have ...

Astronomers have discovered a bizarre exoplanet with a giant underground ocean of magma that traps sulphur and may represent an entirely new class of worlds.

By Will Dunham WASHINGTON, March 16 (Reuters) - Astronomers have spotted a planet orbiting a star in our neighborhood of the ...

In our solar system, Jupiter is the undisputed king. If you added more mass to Jupiter, it wouldn’t actually get much bigger ...

Scientists find entirely new kind of planet - Study suggests that the galaxy’s planets could be far more different than we ...

A seemingly regular, Sun-like star began acting really weird, flickering haphazardly as its light faded in and out. The cause of the star’s strange behavior may have been a cosmic catastrophe that’s ...

This world is part of a planetary system with four other planets, including a super-Venus and a possibly habitable ...

On March 13, 1781, Sir William Herschel discovered Uranus, the seventh planet from the sun. [‘On This Day in Space’ Video Series on Space.com] Before Herschel discovered Uranus, other astronomers had ...

Astronomers have caught what may be a rare cosmic catastrophe unfolding 11,000 light-years away. A seemingly ordinary sun-like star suddenly began flickering wildly, puzzling scientists until they ...

Scientists have identified what is believed to be an entirely new type of planet made completely of molten lava. The planet, designated L98-59d, is found approximately 35 light-years from Earth and ...