New images of the strange interstellar visitor 3I/ATLAS may provide the strongest proof yet that it is not a comet.

The early modern physicist Isaac Newton had presumed an unperceived yet real flow of time. To Newton, time is a dynamic ...

The object, estimated to be the size of a city block, is only the third known interstellar visitor to our solar system since ...

The DARPA program aims to improve the ability to "track potential threats and objects of interest originating from or ...

Interstellar comet 3I/ATLAS is losing an insane amount of mass after making its closest pass of the sun last month — a ...

I/ATLAS recently passed its closest point to the sun. Because of its unusual behavior, some scientists are wondering if it's ...

Newly discovered comet C/2025 V1 (Borisov), which has some minor similarities to 3I/ATLAS, will make its closest approach to ...

A radio signal? That would have to confirm the object is technlogical in nature, wouldn't it? The thing is, this isn't a ...

Interstellar object 3I/ATLAS has surprised scientists by showing no cometary tail after passing close to the Sun. This ...

I/ATLAS has led scientists to study different things about interstellar objects, including which regions of Earth are more ...

Interstellar visitor 3I/ATLAS is accelerating without a comet tail, sparking a fierce debate: Is it a strange natural wonder, ...

New findings bolster the natural origin theory for comet 3I/Atlas. An observatory in South Africa detected radio frequency ...