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

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

The comet the world knows as Halley’s Comet may owe its “first to spot the pattern” credit to someone far earlier than Edmond Halley: an 11th-century English monk. New interdisciplinary research ...

An interdisciplinary investigation published this week has called into question the authorship of one of the most celebrated astronomical discoveries of the modern era: the determination of the cycle ...

From ancient emperors to Mark Twain, Halley’s Comet has sparked awe, fear and fascination. This episode explores whether the Star of Bethlehem may have been a celestial event, how the comet has ...

The international team of astronomers reports that all of the types of ice in the comet appear to be sublimating. This is the phase change where a solid turns into a gas, skipping the liquid phase.

The comet was discovered in its final stage before impact. As luck would have it, NASA had a probe on its way to Jupiter, ...