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

New 3I/ATLAS images from NASA and the ESA suggest the interstellar comet is active as it approaches Earth in December.

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches Earth in December 2025.

Physicist Brian Cox says he’s disappointed to see people focus on alien theories when discussing 3I/ATLAS, which he notes is older than Earth ...

In the vast expanse of the cosmos, where stars forge elements and planets cradle potential life, the arrival of an ...

The mysterious interstellar object 3I/ATLAS is approaching Earth, captivating astronomers and the public alike. Discovered in ...

Comet C/2025 V1 (Borisov), discovered by an amateur astronomer, is captivating scientists. Its unusual orbit initially suggested an interstellar origin, but analysis points to it being a rare Oort ...

Global network tracks 3I/ATLAS in a live test of Earth’s readiness for cosmic hazards An artist's rendition of Comet 3I/ATLAS as it rockets through our Solar System at 58 km per second. @forallcurious ...

Much about interstellar objects still eludes us, but researchers figured out what it would take for a hypothetical space rock to collide with Earth. Simulations found that potential impactors are most ...

Interstellar comet 3I/ATLAS is reshaping scientists' understanding of how life-forming chemistry may arise beyond the Solar ...