News tagged with mass extinction

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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 ...

May 04, 2011
4 / 5 (3) 0 | with audio podcast

Has the Earth's sixth mass extinction already arrived?

With the steep decline in populations of many animal species, from frogs and fish to tigers, some scientists have warned that Earth is on the brink of a mass extinction like those that occurred only five times ...

Mar 02, 2011
4.3 / 5 (29) 55 | with audio podcast

Birds could signal mass extinction

(PhysOrg.com) -- The first detailed measurements of current extinction rates for a specific region have shown that birds are the best group to use to track the losses. The study also reveals Britain may be ...

Oct 05, 2010
5 / 5 (2) 2