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 ...

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" ...

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 ...

Scientists are exploring various proposals to repurpose existing spacecraft in order to chase after the interstellar object ...

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 ...

The NSF-DOE Vera C. Rubin Observatory in Chile recently captured rare footage of the visitor known as 3I/ATLAS — only the third interstellar object discovered. What’s more impressive: The observatory ...

However, new research has shown this potentially "water ice-rich" visitor could be even more extraordinary than initially ...