Captured just days after its discovery, the images offer the clearest view yet of this rare visitor from beyond our solar system.

Your unusual chance to see a comet in the sky is here. C/2023 A3 Tsuchinshan-ATLAS was discovered by astronomers in 2023 — and will appear to the naked eye over the next couple weeks.

Comet A3 could be bright enough to see with naked eye 02:27. BOSTON - It isn't often that we get the chance to see a comet with the naked eye.But, in a year already filled with so many ...

The comet appears to burn a bright, lime green color in photographs. But Fraknoi says don't look for something green in the sky. "The naked eye just shows a fuzzy white glow," he said.

Researchers got an up-close look at the largest comet ever observed, C/2014 UN271, hurtling toward the sun from the Oort Cloud and measuring 85 miles across with jets of carbon monoxide gas.

A recently discovered comet, named C/2023 A3 Tsuchinshan–ATLAS, makes its closest approach of Earth on Saturday. The comet’s next appearance may be in 80,000 years.

When comet C/2024 G3 reaches perihelion, it will come within just 13.5 million kilometers of the sun—for context, Mercury, the planet closest to the sun, orbits the star at a distance of 47 ...

Astronomers recently got a close-up look at the comet, known as C/2014 UN271, flying through deep space with the powerful Atacama Large Millimeter/submillimeter Array (ALMA) radio telescope in Chile.