An interstellar trespasser known as 3I/ATLAS is almost certainly a comet. So, why do so many people think it's ...

With an apparent brightness of magnitude 9.7, the object's light requires 17 minutes and 18 seconds to traverse the distance to our planet.

Having made its closest approach to the sun on Wednesday October 29, comet 3I/ATLAS will soon be visible from Earth ...

A newly discovered comet named C/2025 V1, which some have compared to 3I/ATLAS, is due to make its closest approach to Earth on Tuesday, Nov. 11.

ALSO READ: 3I/ATLAS Comet Live Tracking: Earth Approach Real-Time Update and Position Of Interstellar Object ...

After briefly escaping from Earth's view during a (very) close approach to the sun on Oct. 30, Comet 3I/ATLAS can finally be ...

Interstellar object 3I/ATLAS is on the opposite side of the sun from Earth - but several spacecraft are in the perfect position to get a closer look. As 3I/ATLAS warps and grows the closer it gets to ...

The interstellar comet has reappeared after months hidden behind the sun, offering astronomers fresh clues about how comets ...

Contrary to claims that 3I/ATLAS is no longer from Earth, space experts claim that the Manhattan-sized comet can now be captured by anyone with basic viewing equipment. Astronomer Yicheng Zhang ...