Oxygen linked with the boom and bust of early animal evolution

The Cambrian explosion was a crucial period of rapid evolution in complex animals that began roughly 540 million years ago. The trigger for this fundamental phase in the early history of animal life is a subject of ongoing biological debate. The study, published today in Nature Geoscience by scientists from the UK, China and Russia, … Read more Oxygen linked with the boom and bust of early animal evolution

New 3-foot-tall relative of Tyrannosaurus rex

A new relative of the Tyrannosaurus rex – much smaller than the huge, ferocious dinonsaur made famous in countless books and films, including, yes, “Jurassic Park” – has been discovered and named by a Virginia Tech paleontologist and an international team of scientists. The newly named tyrannosauroid dinosaur – Suskityrannus hazelae – stood rougly 3 feet tall at the … Read more New 3-foot-tall relative of Tyrannosaurus rex