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

While the comet is not scheduled to make its closest approach to Earth until Friday, December 19th, the Martian flotilla has ...

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

NASA released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...

Comet 3I Atlas is currently ~186 million miles from Earth, which is twice the distance from the Earth to the sun. It is ...

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

NASA shares new data on interstellar comet 3I/ATLAS, including HiRISE, Hubble, Webb & MAVEN observations, comet behavior and ...

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.

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system ...