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

Not all of the solar system’s building blocks formed simultaneously. Some of the first solid bodies, or planetesimals, formed ...

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

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

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

New research from Rice University suggests that the giant planet Jupiter reshaped the early solar system in dramatic ways, ...

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

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

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

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

The first time Chris Dahl heard rumblings of a plan to build a large solar array among the corn fields and tobacco sheds of ...

Ryugu’s samples reveal that water activity on asteroids lasted far longer than scientists thought, possibly reshaping ...