How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Sunday, Oct. 20, with sky charts, before it gradually fades from view.

Discovered by astronomers using China's Tsuchinshan (Purple Mountain) Observatory and South Africa's Asteroid Terrestrial-impact Last Alert System (ATLAS) telescope in January 2023, the comet is currently about 57 million miles away from Earth.

Outer space is giving stargazers a rare, celestial treat - an icy comet that will take 80,000 years to return – if it survives the trip – in the night sky! Here's how you can view it before it leaves

The comet first entered our orbit Oct. 12 when it was closest to Earth at approximately 44 million miles. Since then, observers, especially in Wisconsin, have spotted the comet called C/2023 A3 Tsuchinshan-ATLAS every night.