The space agency got a close look at the interstellar visitor over the past few months as it zipped by Mars and the sun ...

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

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.

Telescopes on Earth, along with multiple cameras in space, have captured a whole gallery of new imagery of this alien visitor to our solar system.

ExoMars Trace Gas Orbiter to track comet 3I/ATLAS, the third confirmed interstellar object to enter the solar system, as it ...

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.

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 ...