It looks and behaves like a comet, and all evidence points to it being a comet. But this one came from outside the solar ...

A MYSTERIOUS and rare comet is about to make history after months of anticipation. 3I/ATLAS is set to whizz past Earth a ...

Astronomers assemble! Here's your chance to help make better predictions. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A newly found ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's extraterrestrial technology?

The comet, which will come within roughly 167 million miles (270 million kilometers) of our planet, will be tracked by telescopes around the world so astronomers can pinpoint its location and make ...

Later this month, two green comets are forecast to become visible — possibly to the naked eye — in an extremely rare double-act. The brightness of comets is famously difficult to predict, but these ...

The Geminids first began appearing in the mid-1800s. They are bright, so they're often easier to see than other meteors, NASA explained.