For one, astronomers say that this comet has the largest nucleus of any comet we’ve seen thus far. They determined the size of the nucleus using NASA’s Hubble Space Telescope. They currently ...

The striking Comet C/2025 F2 (SWAN) photograph was captured by astrophotographer Josh Dury at 4:50 a.m. local time on April 9. The newly discovered comet, now designated Comet C/2025 F2 (SWAN ...

When a comet gets close to the sun ... Located in the Atacama Desert in Chile, the Survey has the biggest camera ever built.

Pennsylvania stargazers can enjoy viewing several unique astronomical events this October, including the biggest supermoon of 2024, a comet and a meteor shower. The hunter’s supermoon will peak ...

When a new comet appears in the sky, there is often excitement. But things don’t always end well for the ancient celestial objects, made of ice, frozen gases and rock, as they near the sun ...