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