A comet traveling outside the solar system and heading toward the Earth is much larger than scientists first believed, a ...

I/ATLAS stands apart from other interstellar objects because of its size as well as pace, and will soon disappear from ...

Dark comets are a unique type of cosmic object. While they may look like asteroids, they are actually comets with unusual ...

Something strange is moving through our solar system — and scientists are scrambling to figure out exactly what it is.

The comet will come closest to Earth on Oct. 20. There's hope that it may become bright enough to glimpse with the naked eye.

Our solar system’s third discovered interstellar visitor, comet 3I/Atlas, will dip into the glare of the Sun this week, leaving the detective work on this object to spacecraft far from Earth.

Astronomers are tracking a newly discovered interstellar visitor called 3I/ATLAS, and early research suggests it may be ...

Astronomers are racing to study 3I/ATLAS, an interstellar comet whose strange behavior reveals new clues about how other ...

October is a star-studded month with two meteor showers, winter constellations and a good chance to see a trio of green ...

I nterstellar comet 3I/ATLAS is about to vanish from view. Earth and this interstellar interloper will be on opposite sides ...

Stargazers will be happy to know that October will see the cosmos compensating for a couple of relatively lean months.There ...

A comet explosion may explain mass extinctions 13,000 years ago, linking the Clovis people's vanishing and mammoth die-off to ...