King William should have seen his demise coming, according to the medieval omen experts of his era. Halley’s comet appeared ...

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, ...

The video revisits its most dramatic appearances—from ancient Chinese records in 239 BCE, to the dazzling close approach of ...

If you enjoy light shows, there's one in store this week, thanks to Halley's comet. NASA said debris from the famous comet, known as the Eta Aquarids meteor shower, will reach its climax on Tuesday ...

During Tuesday morning’s peak, expect to see up to 20 meteors per hour in ideal viewing conditions, said Thaddeus LaCoursiere, planetarium program coordinator at the Bell Museum in St. Paul, Minnesota ...