This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

On average, 10 long-period and 20 short-period comets cross Earth's orbit each year. Short-period comets orbit the Sun in less than 200 years and exist in the Kuiper Belt just beyond Neptune ...

The coma is an envelope that forms around a comet as it passes close to the sun, causing its ice to sublimate, or turn directly to gas. This causes the comet to look fuzzy when observed through ...

On Friday night, the full moon will be eclipsed by the shadow of the Earth, and in the darkness of Saturday morning, just hours after the eclipse, a green-tinted comet will make its closest flyby ...

As the comet gets close to the sun, it gets warmed up and its icy material transforms from solid to gas. This process creates long tails and an atmosphere around the nucleus, called the coma.

G3 (ATLAS), the 'Great Comet of 2025,' lit up the night sky in Chile, offering a rare and breathtaking sight for stargazers, ...

St. Albans Comets closed the 2024-2025 season with a 5-1 loss to the No. 3 Essex Hornets in a classic Vermont D1 girls' ...