Comet cause for climate change theory dealt blow by fungus

(PhysOrg.com) -- A team of scientists - led by Professor Andrew C Scott of the Department of Earth Sciences at Royal Holloway, University of London - have revealed that neither comet nor catastrophe were the cause for abrupt ...

Epoxi Spacecraft Burns for Home, Then Comet

(PhysOrg.com) -- NASA's Deep Impact/Epoxi spacecraft successfully performed a maneuver to refine its orbit prior to an upcoming Earth flyby June 27.

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.

NASA's Stardust Burns for Comet, Less Than a Year Away

Just three days shy of one year before its planned flyby of comet Tempel 1, NASA's Stardust spacecraft has successfully performed a maneuver to adjust the time of its encounter by eight hours and 20 minutes. The delay maximizes ...

Defending Planet Earth from Asteroid and Comet Strikes (w/ Video)

University of Maryland Astronomy Professor Michael A'Hearn, leader of NASA's Deep Impact and EPOXI comet missions is vice-chair of a new report from the National Academy of Sciences on detecting and protecting Earth from ...

Jupiter had temporary moon for 12 years

Comet 147P/Kushida-Muramatsu was captured as a temporary moon of Jupiter in the mid-20th century and remained trapped in an irregular orbit for about twelve years.

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