New telescope images show that the interstellar comet 3I/ATLAS is shooting a giant jet of gas and dust toward the sun. This ...

NASA confirms the interstellar object 3I/ATLAS poses no threat to Earth, despite viral speculation. Scientists and the UN are ...

"If the object is an alien spacecraft slowing down, and the anti-tail is braking thrust, then this change from anti-tail to ...

Interstellar object 3I/ATLAS just flipped its jet. Scientists are debating if it's a natural comet or an alien probe ...

Astronomers have made a groundbreaking discovery—an interstellar object, named 3I/ATLAS, as large as Tokyo, is emitting a rare metal alloy that has never been observed in nature. This revelation, ...

A cosmic coincidence could give us an unprecedented look at a visitor from another solar system. If all goes well.

The Keck Observatory has made a rare observation of an interstellar visitor, 3I/ATLAS, exhibiting unexpected solar dynamics.

In a recent paper that has yet to be peer reviewed, a team of astronomers used the Keck data to confirm “previously reported ...

The NASA-funded ATLAS survey telescope in Rio Hurtado, Chile, made the initial discovery of the comet on July 1 and ...

New images of the 33-million ton interstellar object confirmed it is releasing a nickel alloy commonly used in the aerospace ...

Astronomers are launching a major international effort to study a mysterious visitor from another star system, 3I/ATLAS. This ...