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

“What we’ve been trying to do is find a baby version of our Solar System somewhere else,” Merel van ’t Hoff, an astronomer at ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one ...

Aliens are visiting our solar system. Not little green men, sadly, but natural alien objects—cosmic bodies such as comets and ...

The Solar System, home to Earth and countless other fascinating planets and moons, exists within the Milky Way galaxy. But ...

The solar system consists of eight planets, several dwarf planets, hundreds of moons, and billions of asteroids, comets and meteoroids. The exact boundaries of the solar system ar ...

Astronomers witness first moments of planet formation as rock grains crystallize around distant star HOPS-315.

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...

Around 4.6 billion years ago, a vast cloud of gas and dust called a molecular cloud drifted through the Milky Way. Composed ...

For the first time, international researchers have pinpointed the moment when planets began to form around a star beyond the ...

Comet 3I/ATLAS was first identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS), a global network of four ...

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 ...