Astronomers have discovered an exoplanet with a tail, like a gigantic comet. The planet, known as WASP-69b, is slowly evaporating in the radiation of its host star. WASP-69b is a gas giant that ...

Some people have seen Comet A3 with an anti-tail in front, much like the one seen in this 2023 image of Comet C2022 E3 (ZTF). © Kết Nối Việt Nam via Flickr Don ...

The comet passed between the sun and Earth in late September and October, so light diffracted (bent around) by dust grains in the tail, which were concentrated in the direction of Earth.

Science enthusiasts are hoping to get a glimpse of a comet that’s supposed to be the brightest of 2025, but they may be out of luck depending on where they are in the world. The comet ...

After an extraordinary year of watching full moons, eclipses, meteors and northern lights, a comet will be viewable right off the bat in 2025. It's called comet C/2024 G3 (ATLAS), which Space.com ...

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The material it spews forms a tail that stretches millions of miles, which can sometimes be spotted in the night sky. During perihelion, the comet will come within 8.3 million miles of the sun.

Comet ATLAS (C/2024) G3 is set to dazzle Southern Hemisphere skywatchers in mid-January. Here’s everything you need to know about the 'New Year comet'. When you purchase through links on our ...

Because they move closer to the sun, solar heating can cause certain ices to sublimate, forming a gaseous halo or coma around the centaur, a bit like a comet. Charles Schambeau of the University ...