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

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, ...

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 ...

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

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 ...

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

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

The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...