Scientists have examined the interstellar invader 3I/ATLAS, finding evidence that it is packed with water that could be older ...

However, we might also want to look for hints of alien origin. One very strong piece of evidence would be any kind of radio ...

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

A mysterious new interstellar object, 3I/ATLAS, was discovered in July. It turns out that wasn't the first time our ...

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

The announcement came via a Bluesky post by an astrophysics undergraduate, who shared, "Hubble Space Telescope images of ...

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

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

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

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

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

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