Evidence from medieval chronicles suggests that the periodic nature of Halley’s Comet was recognized centuries earlier than previously believed.

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Comet C/2025 K1 (ATLAS) crumbled in high-resolution footage captured by the Gemini North telescope atop Mauna Kea in Hawaii. Glowing pieces of the comet are visible in the 8.1-meter diameter ...

An 11th-century monk saw the famous "Halley's comet" first as a child and later as an adult, new research finds.

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However, new research has revealed that an 11th-century English monk named Eilmer of Malmesbury actually recognized the comet ...

The video revisits its most dramatic appearances—from ancient Chinese records in 239 BCE, to the dazzling close approach of 837 CE, the photographic breakthrough of 1910, and the unprecedented space ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. One of most recognizable comets in astronomy may require ...

The British astronomer and mathematician Edmond Halley was not, after all, the first to understand the cycle of the comet that now bears his name. This is shown by research conducted by, among others, ...

ESA’s Comet Interceptor mission is designed to fly by a long-period comet that could be a pristine remnant from the formation of the solar system. Credit: ESA WASHINGTON — A delay in one European ...