When 3I/ATLAS was first spotted a few months ago, it seemed to emit a reddish color. But earlier this month, some astronomers ...

Scientists are baffled by the suspicious behaviour of mysterious interstellar object 3I/ATLAS racing through our solar system ...

The Manhattan-sized interstellar object 3I/ATLAS will buzz past Mars this week — making its closest pass to any planet on its route as scientists are rushing to coordinate crafts to observe the ...

Harvard researcher Avi Loeb says comet 3I/ATLAS weighs 33 billion tons and spans 3.1 miles, making it far larger than previous interstellar visitors.

Astronomers are tracking a newly discovered interstellar visitor called 3I/ATLAS, and early research suggests it may be ...

Harvard scientist Loeb says comet-like 3I/ATLAS is far larger than expected and could offer clues about alien technology.

A massive comet traveling through the solar system is much larger than previously thought and could be a remnant of alien ...

However, a series of groundbreaking technologies are now knocking on the door of interstellar travel, injecting fiery hope ...

Harvard scientist Avi Loeb, who has made headlines for his theories about interstellar objects, says we are "probably not" ...

Our solar system’s third discovered interstellar visitor, comet 3I/Atlas, will dip into the glare of the Sun this week, ...

The images of Comet 3I/ATLAS were captured by the Gemini South telescope at Cerro Pachón in Chile on Aug. 27 as the icy traveler flew through the inner solar system. It's now about 238 million miles ...