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

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

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to pass our way.

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

Interstellar comet 3I/ATLAS shines in the sharpest view yet captured by the Hubble Space Telescope, helping astronomers determine the object’s size.

NASA's Hubble Space Telescope has taken the clearest image ever of the interstellar comet, 3I/ATLAS, offering new insights ...

The comet 3I/ATLAS is racing through space at 209,000 kilometres per hour. That’s the fastest speed seen for a solar system ...

NASA's Hubble Space Telescope has captured the sharpest image of interstellar comet 3I/ATLAS, revealing details about its ...

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

A controversial new paper questions whether the interstellar object 3I/ATLAS is a potentially dangerous alien probe, similar ...

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

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