A newly described dinosaur that appears to have persisted beyond a catastrophic die-off is forcing scientists to rethink how mass extinctions actually play out on the ground. Instead of a clean break ...

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 ...

Scientists have long debated whether dinosaurs were in decline before an asteroid smacked the Earth 66 million years ago, causing mass extinction. New research suggests dinosaur populations were still ...

Credit: Wikimedia Commons These ancient arthropods were thriving hundreds of millions of years before dinosaurs, and they kept their design through every mass extinction that followed. A hard shell, a ...

NEW MEXICO (KRQE) – One thing that northwestern New Mexico is known for is lots of dinosaur fossils. Previously, paleontologists estimated that the fossils in the Birsti Badlands were 70 million years ...

The small, plant-eating Lystrosaurus thrived post-extinction, while its predators suffocated to death. Its eggs played a ...

Dinosaurs' extinction "re-engineered" Earth's surface, according to new research. The reptiles had such an "immense" impact on the planet that their sudden exit led to wide-scale changes in landscapes ...