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

There’s a visitor in town, and its name is 3I/ATLAS. The presumed interstellar comet presents a rare opportunity for ...

Serendipitously, the Rubin Observatory collected imaging in the area of the sky inhabited by the object during regular ...

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

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

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

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...

Suppose the galaxy’s oldest secrets were readable not in the glare of faraway stars, but in a brief, cold visitor whizzing ...

A newly discovered object speeding through our solar system could be something far stranger than a comet, possibly even alien ...

Loeb points to several unusual traits that set 3I/ATLAS apart from typical comets. "The retrograde orbital plane of 3I/ATLAS ...

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 ...