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 ...

There’s a giant, peanut-shaped object orbiting the Sun, and it’s name is Halley’s comet. Like all comets, it’s a cosmic ...

This photo of Halley's comet was taken by the Russian Vega 2 spacecraft, one of two Soviet probes (Vega 1 was the other) to rendezvous with the comet during its 1986 trip through the solar system in ...

Already in full swing, the Orionid meteor shower may have reached its peak overnight on October 20-21, but the show is still set to go on for another couple of days. Like nearly every Orionid show, ...

The Orionid meteor shower, caused by debris from Halley's Comet, is visible in the sky this week. Optimal viewing is in the early morning hours of October 21 and 22, between 1 a.m. and dawn. A new ...