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" ...

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

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

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

Its path through space will take it between the orbits of Earth and Mars before it heads back out toward interstellar space ...

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

The strange 3I/ATLAS comet that was recently discovered to be speeding through our solar system could actually be the work of ...

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

"It could represent some of the oldest and most pristine water ever observed, formed in another planetary system and ...

The comet called 3I-Atlas was discovered last month by a telescope in Chile and is only the third known interstellar object ...

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