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

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

A team of astronomers has taken the sharpest-ever picture of the unexpected interstellar comet 3I/ATLAS using the crisp ...

CAPE CANAVERAL, Fla. (AP) — The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our ...

The Hubble Space Telescope has captured detailed images of comet 3I-Atlas, an interstellar object passing through our solar ...

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

Comet 3I/ATLAS was first identified by the Asteroid Terrestrial-impact Last Alert System (ATLAS), a global network of four ...

Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar ...

The comet 3I/ATLAS was discovered just as the Vera C. Rubin Observatory was gearing up to carry out its initial observations ...

New photos, including a striking technicolor timelapse, show off the newly discovered interstellar object 3I/ATLAS as it ...

The Hubble Space Telescope has captured the best picture yet of a high-speed comet visiting our solar system from another ...