There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

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

Diamond rain falls on ice giants Uranus and Neptune, where intense pressure and heat transform methane into crystallizing diamonds. Scientists recreat ...

Astronomers have identified 3I/ATLAS, an ancient, ice-rich interstellar comet potentially older than our solar system.

A rare interstellar visitor, comet 3I/ATLAS, is currently traversing our solar system, offering scientists a unique chance to ...

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

Jupiter's formation played a crucial role in creating zones that captured material, leading to the birth of Earth, Mars, and ...

The space object, named Chiron, is believed to be a piece of rock measuring a whopping 130 miles wide at its broadest point - ...

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit ...

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

Many scientists call Jupiter the architect of the solar system because its immense gravity influenced the orbits of other planets and carved up the gas and dust from which they all emerged. This ...

The James Webb Telescope captures the beginning of planetary formation around the young star HOPS-315 for the first time.