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.

T he "once-in-a-lifetime" comet Tsuchinshan-ATLAS looks like it has grown a physics-defying second tail after reaching its closest point to Earth for more than 80,000 years, new photos reveal ...

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 ZTF, passing near Earth on February 1, has developed a strange anti-tail. Stock image of a comet passing close by Earth. As a comet is heated by the radiation from the sun (or any other star ...

Comet Nishimura is a lucky sight regardless of its unlucky tail, Ye says. The comet is relatively bright as it heads toward its closest pass by the sun on September 17, when it will be 27 million ...

A surprise coronal mass ejection recently smashed into Comet 12P/Pons-Brooks, briefly causing the "devil comet" to lose its tail — and a NASA spacecraft caught the whole thing on camera.

Comet C/2022 E3 ZTF is expected to continue brightening slightly, and that third tail could become more pronounced as the comet moves towards its closest point to Earth on Feb. 1.

Mercury, the solar system's smallest planet, has a comet-like tail made predominantly of sodium ions, which are scattered from the planet's surface by solar wind and micro-meteor impacts.

A newly-discovered comet is set to pass Earth in October — and by the time it does, it may be as bright as Venus in the night sky, making it visible to the naked eye. The comet — named ...

A comet that has been on an 81,000-year journey to fly by Earth is finally arriving -- and should be visible in our skies in the upcoming days. The space rock — named Comet C/2023 A3 Tsuchinshan ...

Comet Tsuchinshan-ATLAS has an 80,000 year orbit and, ... The tail, which is largely comprised of tiny pieces of ice and dust, is believed to be as long as 18 million miles.