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

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

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

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

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

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

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 ...

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

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