Scientists estimate the object to be more than 12-miles-wide, speeding at 37 miles-per-second, relative to the sun.

The latest observations of 3I/ATLAS suggest it resembles comets from the outer reaches of our solar system, but may be ...

NASA's Hubble Space Telescope got an up-close look at a headline-grabbing object known as 3I/ATLAS that has wandered into ...

Harvard scientist Avi Loeb urges global leaders to devise a plan for a potential alien attack, should interstellar object ...

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" alien technology.

Astronomers using the Hubble Space Telescope have observed 3I/ATLAS, only the third known object from outside our Solar ...

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

The strange 3I/ATLAS comet that was recently discovered to be speeding through our solar system could actually be the work of ...

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

A cosmic visitor is stirring up an earthly debate. A Harvard University astrophysicist has suggested the incoming ...

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