Scientists found a bizarre new planet named Enaiposha, unlike any in our solar system. Learn why it's a mystery and how it’s ...

The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

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 ...

Prior to 2040, the last planetary quintuplet occurred in the year 1186, and according to Uptain, records show that the close ...

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

We've known for over 30 years that there are other stellar systems in our galaxy, but we don't have any idea how many there ...

For the better part of a century, we believed there were nine planets in our solar system, with Pluto being the farthest from the sun. Since the discovery of more Pluto-sized dwarf planets, that ...

Our current view of Saturn means we're looking at the gas giant's famous rings edge on, making it impossible for telescopes on Earth to see them. This phenomenon is called a "ring plane crossing ...

ESA shuts down Gaia spacecraft after more than a decade, leaving behind the most detailed legacy that will guide future ...

A case in point: a European Space Agency satellite, known as ERS-2, launched in 1995 and inactive since 2011, tumbled through ...

Earlier this year, the tiny rocket company that wants to grow up to be SpaceX someday told NASA that, if it's agreeable, ...