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

Our solar system now, once again, officially consists of only eight planets. Although largely debunked, speculation continued ...

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

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

An international team of researchers has just revealed the existence of three Earth-sized planets in the binary stellar ...

Researchers are studying eccentric warm Jupiters, giant exoplanets that follow odd, elongated orbits unlike anything in our solar system.

Many scientists call Jupiter the architect of the solar system because its immense gravity influenced the orbits of other ...

A new quasi-satellite, 2025 PN7, has been discovered, joining a group of asteroids that orbit the Sun alongside Earth. These ...

Astronomers have found GJ 251 c, a rocky planet. It is a super-Earth located only 18 light-years away. This planet is in its ...

The universe has quasi-moons, mini-moon, and moonlets, but no official definition of what counts as a moon.

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

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