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

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

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

Does the scientific community as a whole share the notion that a newly discovered interstellar object 3I/ATLAS is an alien ...

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

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

How do we know 3I/ATLAS, also called comet C/2025 N1 (ATLAS), is interstellar? Will it strike Earth? Can we visit it? Here ...

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

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

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

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

Scientists have examined the interstellar invader 3I/ATLAS, finding evidence that it is packed with water that could be older ...