For much of the 20th century, the extinction of the dinosaurs had been considered a mystery without a single explanation. The debate centred on whether the dinosaurs were declining due to gradual ...

For a long time, the prevailing theory was that dinosaurs were already in decline before the Chicxulub asteroid struck Earth approximately 66 million years ago, leading to the extinction of about 70% ...

A recent study led by geosciences professor Gerta Keller challenges the most commonly-held belief for the mass-extinction of dinosaurs at the end of the Cretaceous period 65 million years ago. The ...

CULLOWHEE, N.C. (WSPA) — A geochemistry professor at Western Carolina University led research in Antarctica that could help scientists understand what caused dinosaurs’ mass extinction. Shane ...