News tagged with comet impact

Study supports theory of extraterrestrial impact

A 16-member international team of researchers that includes James Kennett, professor of earth science at UC Santa Barbara, has identified a nearly 13,000-year-old layer of thin, dark sediment buried in the floor of Lake Cuitzeo ...

dateMar 05, 2012 in Earth Sciences
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Getting WISE About Nemesis

Is our Sun part of a binary star system? An unseen companion star, nicknamed 'Nemesis,' may be sending comets towards Earth. If Nemesis exists, NASA's new WISE telescope should be able to spot it.

dateMar 11, 2010 in Astronomy
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