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 ...

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

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

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

Such is the case with 3I/ATLAS, a third known interstellar object from outside of our solar system to be discovered, which ...

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 ...

Astronomers have confirmed the third interstellar object on record is dashing through our solar system. Dubbed 3I/ATLAS, it ...

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

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 ...