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?

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

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

Scientists from MIT and their colleagues have estimated the lifetime of the solar nebula — a key stage during which much of the solar system evolution took shape. This new estimate suggests that the ...

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 work from Carnegie’s Alan Boss and Sandra Keiser provides surprising new details about the trigger that may have started the earliest phases of planet formation in our solar system. It is ...

If you want to build a planet, you're going to have to get your hands dirty. That's the lesson from a recent paper, which outlines just how vital giant impacts are to the formation of planets.

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 ...