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

There is a tendency of history to give the wrong name to the right idea, particularly where the idea is bright enough to be noticed on the other side of the continent. Over centuries, the Halley comet ...

Halley's comet bears the name of the astronomer who famously first described its movements through space, but he wasn't the first to discover its periodic orbit past Earth, new research suggests.

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, ...