NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) Credit: Space.com | footage ...

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.

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

A new comet making its way toward the Earth got a dose of the sun's true power when a gust of solar wind blew away its tail. The comet, named C/2023 P1, or Nishimura, has continued to approach the ...

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

Comet A3’s tail, like that of all comets, is composed of dust and gas blowing off as the object heats up as it passes close to the Sun. The front tail, known as an anti-tail, is made up of some ...

As the comet gets warmer, it grows a tail of gas and dust that can be millions of miles long, always pointing away from the sun. How are comets formed?

ESA and NASA's SOHO spacecraft capture a video of Comet C/2023 A3 (Tsuchinshan–ATLAS) glowing as it raced through space.

Amateur stargazers have been asked to help space researchers by attempting to catch a comet with a missing tail on camera. The comet, known as C/2021 S3 PanSTARRS, is about the same distance from ...

A comet discovered last year — known as C/2023 A3 Tsuchinshan-ATLAS — is set to make a close approach to Earth in the coming days. The snowy dirtball is nearly 2 miles in diameter and its tail ...

The tail was captured by astrophotographers in mid-April, including Sebastian Voltmer, who snapped a picture of the comet-like tail from Spicheren in northeastern France.

12P/Pons-Brooks (12P) is a 10.5-mile-wide (17 kilometers) comet with a green hue, which is given off by pairs of carbon atoms, known as dicarbon, in its tail and coma — the cloud of gas that ...