I/ATLAS's chemical composition, upcoming invisibility, and trajectory suggest to experts that it is alien technology, but ...

The Earth will soon finally learn the truth about 3I/ATLAS after months of mothership rumors and speculation about advanced ...

What makes 3I/ATLAS especially intriguing is that the comet might be three billion years older than our entire Solar System.

The interstellar object 3I/ATLAS has been something of a mystery ever since it graced our solar system. From all outward ...

Water is the universal yardstick of comet science, the baseline for measuring how sunlight drives a comet's activity and ...

3I/ATLAS is named for its status as one of three interstellar objects ever discovered in our cosmic neighborhood, as well as ...

Researchers have discovered that interstellar comet 3I/ATLAS has been shedding water, providing insights into the building ...

The interstellar object hurtling toward the inner solar system, where Earth is located, is much larger than previously ...

Need a refresher about 3I/ATLAS? Here's everything to know about the interstellar object, including when the latest ...

Harvard astronomer Avi Loeb currently says there is a 30-40 percent chance the object is not natural in origin.

Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed 3I/ATLAS ...

Harvard professor Avi Loeb discusses the first new images of 3I/ATLAS after it passed Mars. Early photos from international ...