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 ...

Fans, skeptics, and amateur astronomers alike are weighing in, creating a digital echo chamber of fascination and frenzy.

At the end of October Europa Clipper will fly in line with 3I/ATLAS’ ion tail — but will any of the charged particles reach ...

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

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

An interstellar object called 3I/ATLAS has captured tremendous attention in the planetary science sphere, and soon it will ...

Spotted by the NASA-funded Asteroid Terrestrial-impact Last Alert System (ATLAS) on July 1, the third interstellar visitor is ...

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

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

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

Keck II telescope observations of interstellar object 3I/ATLAS found "evidence for a puzzling anti-tail extension" pointing ...