In recent years, the number of known extrasolar planets (aka. exoplanets) has grown exponentially. To date, 5,799 exoplanets ...

Beyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some ...

Aug. 31, 2023 — A Neptune-sized planet denser than steel has been discovered by an international team of astronomers, who believe its composition could be the result of a giant planetary ...

Saturn is known for its stunning rings and its many moons (four seen here), but they aren’t the planet’s only companions. Its first known Trojan — an asteroid that shares the planet’s orbit around the ...

A small international team of astronomers and astrophysicists has confirmed that asteroid 2019 UO14 is a Trojan asteroid of ...

Moons ought to be scattered throughout the Milky Way galaxy in a glorious profusion. Here in the Solar System, moons ...

WASP-107 b Puffs sounded like soft marshmallows, but they were the name for a rare group of young planets that were as light ...

These extremely low density cotton candy exoplanets—known as super-puffs —are a big puzzle for astronomers trying to figure ...

How can Uranus teach us about exoplanets? This is what a recent study presented at the 56th annual meeting of the American ...

Using the dual perspectives of Hubble and New Horizons, scientists have gained new insights into Uranus' atmospheric ...

When the Voyager missions traveled to the outer solar system to study the giant planets there, they found the moons that orbited them to be more diverse, and at least as interesting. As NASA prepares ...

SpaceX’s creative method of rocket recovery makes this recent test a significant step towards making space travel more ...