Comet Nishimura has a hyperbolic orbit, which suggests that it may have come from outside the solar system and will likely be catapulted into interstellar space after slingshotting around the sun.

On July 1, astronomers spotted an unusual high-speed object zooming towards the sun. Dubbed 3I/ATLAS, the surprising space ...

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

Object 3I/ATLAS will make close approaches to Jupiter, Mars and Venus, which could allow aliens to stealthily plant spy ...

Named 3I/ATLAS, the object was first spotted on July 1. Travelling over 210,000 km/h, it was quickly confirmed as ...

"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and ...

Detailed photos from the newly operational Vera C. Rubin Observatory have revealed that the recently discovered interstellar ...

There’s a visitor in town, and its name is 3I/ATLAS. The presumed interstellar comet presents a rare opportunity for ...

"The consequences, should the hypothesis turn out to be correct, could potentially be dire for humanity," said Avi Loeb.

The largest interstellar comet discovered could be an alien technology. The newly found Manhattan-sized object, named ...

The comet, dubbed 2I/Borisov, was discovered Aug. 30 by Gennady Borisov at an observatory in Nauchnij, Crimea. A computer program specifically designed to spot interstellar objects confirmed the ...