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

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

Astronomers have spotted unusual molecular activity in the largest Oort Cloud comet, comet Bernardinelli-Bernstein (C/2014 ...

NASA astronaut Don Pettit, an accomplished astrophotographer (and inventor of the zero-G coffee cup), shared scenic views of Comet A3 via X on Sept. 22. The images show the bright comet against a ...

NASA map of Comet Tsuchinshan-ATLAS (C/2023 A3)'s path. The comet will reach its closest point to Earth on October 12, but may still disintegrate beforehand.

NASA officials said the comet made its closest transit past the sun on Sept. 27 and is on track to come within approximately 44 million miles of Earth on Saturday.

A rare comet will be visible on the western horizon in the Philadelphia region between Oct. 14-24, according to NASA. The comet, called Tsuchinshan-ATLAS, only passes by Earth once every 80,000 years.

Some of these comets even come within a few thousand miles of the sun, according to NASA. Comet C/2023 A3 Tsuchinshan–ATLAS, a similar comet, has also been making its historic orbit around Earth ...

You can generally expect to see about 10 meteors per hour, according to NASA. Here’s how and where you can catch the Eta Aquarid meteor shower in Florida. Can I see the Eta Aqarids in Florida?

Comet A3 has already grown a million times brighter since its discovery in January 2023. Don Pettit/NASA. NASA describes comets as "cosmic snowballs," made up of frozen gases, rock and dust. These ...