Astronomers are abuzz with the discovery of a rogue planet, 2MASS J05325346+0919037, which is set to pass within 0.05 ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

Jupiter was shaping Earth's fate before our planet even existed, carving gaps in the early solar system that kept its ...

What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

Astronomers have discovered asteroid 2025 SC79, a skyscraper-sized space rock orbiting the sun in just 128 days — the second-fastest known.

When you look at the solar system, you might notice that the planets' orbits are tilted, and oddities in the protoplanetary ...

A scientist spotted an asteroid hiding in the sun's glare that orbits the sun in just 128 days, making it the second fastest ...

A mysterious space object named 2023 KQ14, nicknamed “Ammonite,” challenges theories about the mysterious and possible Planet ...

A recent study by Princeton University astronomers suggests the possible existence of a previously undetected planet in our ...

Material around Chiron, a small icy world in the far reaches of the solar system, may be taking shape into a ring system of ...

Webb just spotted a carbon-rich moon factory 625 light-years away, revealing how moons like ours may have first taken shape.

Astronomers have spotted a free-floating ‘rogue’ planet, named Cha 1107-7626, that is going through a massive growth spurt, ...