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

NASA has classified 3I/ATLAS as a comet, but Harvard scientist Avi Loeb believes we should reach out while we still have ...

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

U-M astronomers are helping study a fast-moving, ancient, and massive comet that formed beyond our galaxy. A group of ...

Hubble telescope captures third interstellar visitor 3I/ATLAS showing active dust coma racing through solar system.

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

Of course, 3I/ATLAS is no ordinary comet. Discovered on July 1, 2025 by the Asteroid Terrestrial-impact Last Alert System ...

Learn about the interstellar comet 3I/ATLAS, a high-velocity visitor from another star system. Learn how NASA is tracking its ...

New Hubble data on the 3I/ATLAS interstellar comet points to it having a nucleus between 1,000 feet and 3.5 miles, speed at ...

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

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

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