An interstellar comet spotted by NASA is headed for our solar system, showing up near Earth later this year, but it's another ...

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 ...

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

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

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

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday ...

NASA’s Hubble Space Telescope has snapped images of a recently discovered interstellar visitor hurtling through our solar ...

A new scientific paper is drawing attention because it puts forward an unexpected idea about a space object called 3I-ATLAS. Some scientists now question whether this object, which came into our solar ...

Confirmed as an alien comet, new observations have given us a much better idea of how large this interstellar object actually ...

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

The Hubble Space Telescope has captured a stunning image of a high-speed comet traveling through our solar system. Scientists ...