For decades, astronomers believed our Solar System was a typical model of how planetary systems should form. But recent ...

The solar system consists of eight planets, several dwarf planets, hundreds of moons, and billions of asteroids, comets and ...

I t is often remarked upon that the distribution of rings and moons around the giant planets of the Solar System – Jupiter, ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our ...

The astronomers observed hot minerals just beginning to solidify – the first specks of planet-forming material, the ...

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away ...

The new work places the age of the Solar System at 4.5684 billion years, plus or minus 240,000 years. Previous estimates were about 1.1 million years lower at 4.5673 billion years.

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...

A tiny object far beyond Pluto, newly discovered by the Subaru Telescope, could reshape our understanding of the early Solar System. Named 2023 KQ14, this rare “sednoid” follows an unusual orbit that ...

Space Our solar system could be hiding an extra planet the size of Uranus Many planets are thought to be flung away from their stars, but it’s possible that some get trapped on the way out ...