On Wednesday, the comet made its closest approach to our sun and on Saturday, October 12 at 11:39 a.m. it will be just 43,911,824 miles from Earth (its closest pass).

A comet officially known as C/2025 F2 (SWAN) was discovered on March 29, 2025, and will make its closest pass to Earth on May 1. Michael Jaeger and Gerald Rhemann ...

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.

The comet is currently at a magnitude of +8, making it too faint to see with the naked eye. You’ll need a telescope or a pair of binoculars to catch a glimpse.

The comet's approach toward Earth coincides with a total solar eclipse on April 8. Around that time, 12P/Pons-Brooks will be at or near perihelion, the point during orbit when it's closest to the sun.

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.

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.

As numbers surge this year, Butterfly Conservation said sightings in unexpected places tell an important story about climate ...

Comet C/2023 A3, also known as Tsuchinshan-ATLAS, has been in the evening sky for a week now. If you haven’t seen it, that’s understandable because there’s also been a bright Moon in the sky.

Comet C/2023 A3 (Tsuchinshan-ATLAS) time lapse from 1847–1937 MST 13 October 2024. Was able to capture the anti tail (and too many headlights). 85mm lens cropped to 16:9 aspect ratio.