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.

Comet Nishimura could be visible just before dawn for five mornings next week. Dr. Sebastian Voltmer/Twitter. The green-colored comet will brighten each day as it makes its way closer to the sun ...

Astronomy aficionados are buzzing about a bright new comet. The ball of dust and ice is formally named C/2023 P1, but is also called Comet Nishimura, for Hideo Nishimura, the Japanese photographer ...

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 ...

A rare green comet that hasn't been seen since the time of the Neaderthals made its closest approach to Earth on Feb. 1, and astrophotographers all over the world couldn't peel their eyes off it.

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.

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.

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 ...

Comet Tsuchinshan-ATLAS will sweep around the sun on Sept. 27 to make a brief foray into the morning sky. Will it be a bright naked-eye object with a significant tail?

The comet comes from the Oort Cloud, a realm filled with frozen debris on the outer edge of our solar system. Initial observations suggest that the comet may orbit the sun once every 80,000 years.