News tagged with mass extinction

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Killer algae a key player in mass extinctions

Algae, not asteroids, were the key to the end of the dinosaurs, say two Clemson University researchers. Geologist James W. Castle and ecotoxicologist John H. Rodgers have published findings that toxin producing ...

dateOct 19, 2009 in Earth Sciences
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The sea dragons bounce back

(PhysOrg.com) -- The evolution of ichthyosaurs, important marine predators of the age of dinosaurs, was hit hard by a mass extinction event 200 million years ago, according to a new study from the University ...

dateMay 04, 2011 in Archaeology & Fossils
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Asteroid deflection

Potential asteroid impact on Earth can have disastrous consequences. In order to prevent such collisions, earthbound space objects must be deflected. This can be accomplished using a space probe to impact ...

dateSep 02, 2013 in Space Exploration
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Impact mitigation

The save-the-Earth rehearsal mission Don Quijote, commissioned by the European Space Agency, is planned to test the potential of a real life-or-death mission to deflect a mass-extinction-inducing asteroid from a colli ...

dateAug 15, 2011 in Space Exploration
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