Comet ATLAS (C/2024 G3) came within 8.3 million miles of the sun on January 13 as it reached its perihelion, and is now disintegrating.

The latest surprise comes in the form of exoplanet WASP-69B, a planet with a 350,000-mile-long comet-like tail flowing behind it. Slightly larger than Jupiter, WASP-69b is what astronomers often ...

"The comet's nucleus is clearly visible, surrounded by a dusty coma and trailing an impressively long tail," ESA said ... dot off to the left is the planet Mercury. Read more: Aurora Viewers ...

This is an image of Mercury's tail obtained from combining a full day of data from a camera aboard the STEREO-A spacecraft. The reflected sunlight off the planet's surface results in a type of ...

Their images showed that the comet's tail was becoming increasingly prominent, while the head of the comet (called the coma) easily rivaled the planet Mercury — which was then shining at ...

That's less than a third of Mercury ... comet NEOWISE (C/2020 F3) — known as the “lockdown comet” — wowed observers in the Northern Hemisphere with its bright nucleus and long tail.

An curved arrow pointing right. Former planet Pluto may have been miscategorized yet again. A recent analysis of its atmosphere showed that it may be something we've never seen before — a comet ...

That's about 40% closer than the planet Mercury. The sun might burn the comet up, making us the first ... westward-pointing tail," Bob King of Sky and Telescope wrote in a blog post on Wednesday.

Equally as characteristic is the formation of a dust tail, much resembling that of a comet tail ... no access to that of Mercury, Venus, or Mars—but here we have found planets hundreds of ...

However, also on show during totality (only) will be a bevy of planets and a comet. Uranus, Jupiter, Mercury, Venus, Neptune, Saturn and Mars will all be relatively close to the sun. That’s all ...