The first planetary seeds may have begun forming as soon as 600,000 years after the birth of our solar system. ... Study plots solar system's rapid timeline. Friday, 6 June 2014 Stuart Gary ABC.

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.

For only the third time in history, astronomers have detected a new interstellar visitor — an object from another star — blitzing into our solar system.

Carbon monoxide has a much lower freezing point than water, so its ice line in the Solar System is roughly 30 AU, about where Neptune orbits. Beyond that lies the Kuiper Belt, where Pluto, ...

Supernovae are one SLR source, which might mean our Solar System dodged a supernova, although there are other ways they can form. SLRs from the interstellar medium might already be floating around ...

The Oort Cloud is the name given to a theorized group of potentially trillions of icy objects on the edge of our solar system. ... While it isn't shown, the sun lies in the plot's center.