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" ...

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

"We should put all possibilities on the table that it's a rock, a comet, or something else until we get the evidence, the ...

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 ...

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

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

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

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

The comet 3I/ATLAS was discovered just as the Vera C. Rubin Observatory was gearing up to carry out its initial observations ...