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Why Halley’s Comet Has Such a Wacky Orbit

Halley’s Comet pays us a visit every 76 years or so, but its exact arrival date cannot be predicted. A team of European astronomers has finally come up with an explanation for this comet’s erratic behaviour. Read More >>

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How to Spot Halley’s Comet This Week (or What’s Left of It)

Headlines in certain British newspapers of late would have us believe that the laws of physics and nature, the very tenets of Sir Isaac Newton’s theory of Gravity and, indeed, Kepler’s planetary laws of motion, were about to be broken in two. Read More >>