The unusual comet—which is to pass Earth again in the coming weeks—is only the third known object to visit us from outside ...

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

The object is the third interstellar visitor to our solar system ever confirmed. It will reach its closest point to Earth ...

The path of comet 3I/ATLAS through the solar system has been predicted with an accuracy 10 times greater than previous ...

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.

I/Atlas is brightening, turning blue and emitting a radio signal, but scientists say its path misses Earth by a wide margin and it poses no threat to humans.

NASA released new multi-mission images of interstellar comet 3I/ATLAS, offering the most detailed look yet as it makes its ...

The unique initiative comes from the Virtual Telescope Project that captured a fascinating image of 3I/ATLAS' ion tail.

Comet 3I/ATLAS was expected to come within 130 million miles of the sun on Oct. 30. For the time being, 3I/ATLAS will remain on the opposite side of the sun from Earth, making it impossible to observe ...

A celestial outsider known as 3I/ATLAS has made its closest rendezvous with the sun as it continues to rove through our cosmic neighborhood and add to its growing renown. Originating from a completely ...

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic neighborhood yet.Related video ...