I/ATLAS, earlier known as A11pI3Z, is only the third interstellar visitor to be discovered passing through our corner of the ...

Update: NASA has confirmed the object is an interstellar comet and says it has been officially named 3I/ATLAS.

Astronomers have confirmed the third interstellar object, 3I/ATLAS, speeding towards the Sun at 60 km/s. Classified on July 2 ...

Astrophysicist Josep Trigo-Rodriguez of the Institute of Space Sciences near Barcelona, Spain, believes it is an interstellar ...

Astronomers are scrambling to gather data on a mysterious object that’s currently hurtling through the solar system.

The Bernardinelli-Bernstein comet, located in the Oort Cloud, was observed by the ALMA to record the first evidence of active ...

Astronomers discovered that C/2014 UN271, a massive comet more than 10 times larger than any known comet, is emitting jets of ...

Astronomers are reporting the detection of a large object entering our solar system, and it is causing quite the stir in the ...

An object thought to have come from another star has been seen entering the solar system at high speed, and is expected to ...

It appears our solar system is getting more popular with out-of-towners. Astronomers have found a third interstellar object, ...

Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the comet in the footage. Credit: NASA/STEREO/Karl Battams | edited by Space.com's ...

The European Space Agency (ESA) said it is monitoring an unidentified object alongside Russia identified only as A11pl3Z as it hurtles at astonishing speed from outside the Milky Way ...