More evidence that volcanoes killed the dinosaurs

Geologists and paleontologists have been kicking around an idea for the past several decades which threatens to overturn the scientific canon surrounding the demise of the dinosaurs. Rather than an asteroid impact, say a growing number of researchers, it was extreme volcanic activity that drove the dinosaurs to… » 12/10/12 8:00am 12/10/12 8:00am

Birds from the Cretaceous period went out the same way as the dinosaurs…

For years, paleontologists have disagreed over whether birds from the Cretaceous period went out with a whimper — dying out gradually over the course of millions of years — or with a bang — getting wiped out by the same mass extinction event that is believed to have killed off Earth's most recent (and final) wave of… » 9/19/11 2:00pm 9/19/11 2:00pm