Did a volcanic cataclysm 40,000 years ago trigger the final demise...

Crocodile ancestor was top predator before dinosaurs roamed North America

Protein the clue to solving a Darwinian mystery

Iron rain fell on early Earth, new Z machine data supports

Beetles beat out extinction

Unaweep canyon and Earth’s deep-time past

First European sea turtles became extinct due to changing sea levels

Seismic study aims to map Earth’s interior in 3-D

Scientists fly kites on Earth to study Mars

Conifers’ helicoptering seeds are result of long evolutionary experiment

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