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

A mystery interstellar object discovered last week is likely to be the oldest comet ever seen—possibly predating our solar ...

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

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

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

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

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

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 ...

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