A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar ...

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday ...

Sometimes serendipity happens in science. Whether it's an apple falling from a tree or a melting chocolate bar, some of the ...

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

Given 3I/ATLAS' highly eccentric orbit, this will be its one and only visit to our solar system, as its trajectory does not ...

The Gemini North telescope in Hawaii recently snapped a close-up of the comet that's captured the world’s attention.

A team of international astronomers, including a University of Michigan doctoral student, were the first to publish the ...

New photos, including a striking technicolor timelapse, show off the newly discovered interstellar object 3I/ATLAS as it ...

Comet 3I/ATLAS is expected to make its closest pass by the Sun on Oct. 30, when it will fly 130 million miles inside the ...

We've only known about its existence for a few short weeks, and already astronomers have been able to learn a lot about the ...

When the news started to spread on July 1, 2025, about a new object that was spotted from outside our solar system, only the ...