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

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

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

The Sun's formation caused temperature differences in the surrounding disk of gas and dust. Inner, hotter regions formed rocky planets from less volatile elements. Outer, colder regions allowed ...

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

Tiny shavings from a single meteorite could completely overturn our understanding of how the solar system formed, after the space rock turned out to be older than expected. Previous research suggests ...

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

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

New research shows how Jupiter carved out rings and gaps that changed how and when planets and meteorites formed.

Visual: In this diagram, J, S, U, and N are the solar system’s giant planets. What’s the collective name for the objects in ...

New simulations from Rice University reveal how Jupiter’s rapid early growth blocked gas and dust from reaching the Sun, ...