Ancient carvings show comet struck Earth, triggering mini Ice Age

When you can correlate computer models of comets with carvings from 13 millennia ago — that’s got to feel good.

Remembering Edmond Halley!

November 8 – it is the birthday of the famous English astronomer, geophysicist, mathematician, meteorologist, and physicist who is best known for computing the orbit of the eponymous Halley’s Comet.

Comets stink: space probe finds odor of urine, rotten eggs and alcohol

Ever wondered how a comet smells? Well even if you could, you might wish you hadn’t: rotten eggs, horse pee, alcohol and bitter almonds are just a couple of the fragrances you could sniff. A smelly comet These volatile compounds were detected by  a mass spectrometer aboard the Rosetta probe which is currently studying the Comet 67P/Churyumov-Gerasimenko. The mass spectrometer analyzed the