The object is expected to make its closest approach on December 19, 2025, passing by at a distance of approximately 167 million miles.

What does it mean when a comet racing at about 130,000 miles per hour shows hydrogen signatures unlike anything seen in our ...

A viral video of 3I/Atlas has sparked wild theories, but space scientists break down the real science behind it.

Three observations emerge from the latest forensic analysis that demand immediate scientific attention: The object displays ...

The arrival of 31/ATLAS, an extraordinary Interstellar Visitor, has ignited waves of online speculation and conspiracy ...

Every week, Space.com delivers the latest discoveries, launches, and cosmic curiosities from across the universe. From ...

NASA confirms hydrogen detection from 3I/Atlas using MAVEN, providing new clues about the interstellar comet’s makeup.

Thousands fled as Mount Semeru, a volcano in ________, erupted. Comet 3I/ATLAS is just the ______ interstellar object ...

NASA unveiled close-up pictures on Wednesday of the interstellar comet that’s making a quick one-and-done tour of the solar ...

Avi Loeb notes that presumed comet 3I/ATLAS will be near Jupiter in March — near enough to “release some probes.” ...

As much of a growing influence as AI has had on our daily lives, there are plenty of reasons to hold off on switching to an ...