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

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

New observations of a strange object that wobbles around the space between Jupiter and Uranus reveal what looks like a system ...

What can white dwarf stars eating their own planets teach astronomers about planetary and solar system formation and ...

An interstellar comet that originated outside our solar system just flew by the sun. Next, the object will fly by Earth in ...

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

What: Astronomers using JWST and ALMA have captured the earliest known stage of planet formation around the protostar HOPS-315 in the Orion Molecular Cloud. Guest: Dr ...

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

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.

Jupiter's rapid early growth dramatically reshaped our solar system, scientists now reveal. Its immense gravity acted as a ...

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 ...