A comet called ATLAS dazzled the southern skies for the last few weeks. Now it's heading out of view for half a million years ...

The panic that ensued in 1910 following scientists' bizarre and baseless theories on Halley’s Comet is a testament to just how dangerous speculation can be.

A brilliant comet waved its tail above the site of the world's largest telescope as it lit up the night sky last month.

Halley's Comet is one of the most famous celestial objects, and even those who have no interest in astronomy have most likely heard of it. The space rock marked the first time astronomers ...

SHANGHAI, Feb. 19 (Xinhua) -- Chinese scientists have attributed the sudden movement of a boulder on the surface of a comet to a phenomenon known as the "rocket effect," which resulted from the ...