There’s a visitor in town, and its name is 3I/ATLAS. The presumed interstellar comet presents a rare opportunity for ...

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

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

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

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

Images from two different telescopes give astronomers a glimpse at the formation of a "new" planetary system around a star ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's ...

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

The star is surrounded by a protoplanetary disk, and this disk is the first evidence of debris condensing into what will ...

You’d think we’d have the solar system pretty well figured out by now. It’s our own cosmic backyard, after all. […] ...

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

Astronomers first identified these minerals using the now-three-year-old James Webb Space Telescope. To see where exactly the ...