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

The rare interstellar comet, also known as 3I/ATLAS, was first discovered in July and has been photographed several times.

Interstellar comet 3I/ATLAS is now within 300 million km of Earth. Discover why NASA and ESA are tracking this ancient ...

Interstellar comet 3I/Atlas has moved within 300 million km of Earth as scientists continue tracking its rare journey.

Amateur observers and social media users sparked viral claims that interstellar object 3I/ATLAS and comet C/2025 R2 (SWAN) ...

The third-ever interstellar visitor in the solar system after 1I/Oumuamua (2017) and 2I/Borisov (2019), 3I/ATLAS or C/2025 N1 ...

Interstellar comet 3I/ATLAS got an accuracy boost thanks to a Mars orbiter, giving scientists insights and stronger planetary ...

NASA on Wednesday released new images and data of Comet 3I/ATLAS, the rare interstellar object that set off weeks of ...

NASA is tracking Comet C/2025 V1 — a 'near-interstellar' object resembling 3I/ATLAS — as it speeds safely past Earth, offering rare insights into the solar system's outer frontiers.

While the feds idled, an interstellar object known as 3I/ATLAS was barnstorming the solar system, at a speed that reached 153 ...

This month will bring some striking celestial sights, including one of the year’s best meteor showers and a glowing ...

By Tom Hawking Published Nov 30, 2025 9:00 AM EST Tayfun Coskun/Anadolu via Get the Popular Science daily newsletter💡 ...