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

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

It currently sits around 420 million miles (or 670 million kilometres) from Earth. Astronomers have since confirmed its ...

It is only the third such object to have been identified as having an interstellar origin, which means it did not begin its ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System – only the third ...

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.

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

Comet Nishimura came into NASA's STEREO-A spacecraft's field of view. The solar wind was interacting with the tail of the ...

The monstrous 85-mile-wide comet C/2014 UN271 is the second most distant body originating from the Oort Cloud found to be ...

On March 8, ALMA spotted a pair of jets blasting out of the comet's nucleus – its solid icy core. Spectrometry revealed that ...

Watch Comet 96P/Macholz brighten as it flies by the sun in these time-lapses captured by the ESA/NASA Solar and Heliospheric ...