Comets
Latest about Comets
Green comet C/2022 E3 will make its closest approach to Earth in 50,000 years this week. Here's how to watch.
By Brandon Specktor last updated
The green comet C/2022 E3 (ZTF) will make a close approach to Earth on Feb. 1/Feb. 2 before sailing off into deep space, possibly never to return.
Optical illusion gives rare green comet an ‘anti-tail’ that seemingly defies physics
By Harry Baker published
C/2022 E3 (ZTF), a comet that has recently made headlines as it flies closer to Earth, briefly developed an ethereal third tail thanks to a weird optical illusion.
Stunning images capture the moment a green comet's tail is blasted away by the sun
By Brandon Specktor published
An amateur astronomer witnessed the moment that the green comet C/2022 E3 had part of its tail blasted away by a coronal mass ejection.
Rare green comet not seen since the Stone Age will zoom overhead tonight. Here's how to watch.
By JoAnna Wendel published
The last time comet C/2022 E3 passed by Earth, modern humans were mingling with Neanderthals.
Massive eruption from icy volcanic comet detected in solar system
By Harry Baker published
Astronomers observed a major eruption from a volcanic comet flying through the solar system, likely spewing more than 1 million tons of debris into space.
Blazing comet tail is whipped by solar winds in astonishing astronomy photo
By Stephanie Pappas published
A never-to-be-seen-again view of Comet Leonard took top prize at the Royal Observatory Greenwich's Astronomy Photographer of the Year contest.
A giant comet will swoop by Earth tonight. Here's how to watch it live.
By Samantha Mathewson published
One of the farthest active comets ever spotted makes its closest approach to Earth on July 14, 2022 and here's how you can catch the action live.
Watch the biggest-ever comet outburst spray dust across the cosmos
By Stephanie Pappas published
The dust trail from the largest comet outburst on record will be visible to amateur astronomers in late July 2022.
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