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

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

(NEXSTAR) — Skywatcher or not, you’ve likely heard of Halley’s comet. As popular as it is, however, seeing it may be a once-in-a-lifetime occurrence for some. The comet, often referred to as just ...

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, ...