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

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

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

New Moon means dark skies — and your chance to try photographing interstellar interloper 3I/ATLAS moving against the background stars.

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

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 ...

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

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

Most comets, including the well-known Halley's, loop through our solar system like cosmic time capsules that formed alongside ...

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

A team of astronomers recently discovered the traveling space object, just the third of its kind to pass through our solar ...