Astronomers are tracking a newly spotted comet hailing from parts unknown, only the third time such an interstellar object ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

NASA’s ATLAS survey telescope found an interstellar comet, which could be the largest yet, in the direction of the Sagittarius constellation.

You can watch comet 3I/ATLAS live online tonight (July 3), thanks to the Virtual Telescope Project, which will livestream ...

The detection of 3I/ATLAS marks our solar system’s third time saying aloha to an interstellar visitor, following the ...

A MYSTERIOUS cosmic object has been spotted zooming through our solar system – and astronomers say it is only the third of ...

Based on the comet's brightness and current distance — it's located just inside Jupiter's orbit — scientists estimate its ...

These things take millions of years to go from one stellar neighborhood to another, so this thing has likely been traveling ...

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

Comet C/2022 E3 (ZTF) with a short third tail (to the left of the comet) and longer gas and dust tails (to the right of the comet) on Jan. 21.

The main tail of the comet can be seen extending for upwards of 10° away from the nucleus, wide, diffuse, and curving. But alongside it, narrow, straight, and faint, a second, ...

C/2021 S3 PanSTARRS will safely pass by Earth this spring, and researchers are asking for help photographing the comet's journey to see if its tail has been detached by strong solar winds.