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Fossils show quick rebound of life after ancient mass extinction

An artist’s depiction of the diversified and complex Early Triassic marine ecosystem of southeastern Idaho, U.S., revealed soon after the Earth’s worst mass exinction, contradicting long-held notion life was slow to recover from calamity. Illustration courtesy... More »

Double trouble: asteroid, volcanoes implicated in dinosaur doom

WASHINGTON It was a combination of calamities – an asteroid strike followed by vast volcanic eruptions half a world away – that doomed the dinosaurs and many other creatures 66 million years ago. That is the conclusion of scientists who said on Thursday they h... More »