In 2023, a green comet that last visited Earth 50,000 years ago zoomed by the planet again. Other notable flybys included Neowise in 2020, and Hale-Bopp and Hyakutake in the mid to late 1990s.

The comet will appear as a fuzzy circle to the right of Venus with a long tail stretching away from it. There’s an easy way to identify the objects in the sky if ... See a map of current weather ...

Astrophotographer Miguel Claro captured Comet C/2023 A3 (Tsuchinshan-ATLAS) from the Dark Sky Alqueva reserve in Portugal on Oct. 13, 2024 as the comet was displaying an 'anti-tail.' Miguel Claro ...

A rare comet will dazzle the Illinois sky again this weekend as it continues to pass by the sun in a once-in-a-lifetime phenomenon. Comet C/2023 A3, also known as the Tsuchinshan-Atlas comet ...