Related topics: species · genes · plants · evolution

Rainforest collapse drove reptile evolution

(PhysOrg.com) -- Global warming devastated tropical rainforests 300 million years ago. Now scientists report the unexpected discovery that this event triggered an evolutionary burst among reptiles -- and inadvertently paved ...

Fossil record receives new timeline

Beginning around 542 million years ago, a profusion of animals with shells and skeletons began to appear in the fossil record. So many life forms appeared during this time that it is often referred to as the "Cambrian Explosion."

Get off Chuck's back!

(PhysOrg.com) -- If Charles Darwin were alive today, he would be shaking his head and asking, "Why is everybody always picking on me?"

Darwin's family tree rediscovered

The Galton-Darwin-Wedgwood pedigree, first exhibited in 1932, has been found in the archives of Truman State University.

X-rays reveal chemical link between birds and dinosaurs

Researchers have found that a 150 million year old "dinobird" fossil, long thought to contain nothing but fossilized bone and rock, has been hiding remnants of the animal's original chemistry. Using the bright X-ray beam ...

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