For decades, scientists have been counting annual growth rings—similar to tree rings—inside fossilized leg bones of ...

CALGARY, ALBERTA--(Marketwire - Oct 25, 2012) - The ostrich-like dinosaurs in the original Jurassic Park movie were portrayed as a herd of scaly, fleet-footed animals being chased by a ferocious ...

When the big asteroid hit Mexico 66 million years ago, it set off wildfires, tsunamis and massive clouds of dust that darkened the skies, killed much of Earth’s plant life and triggered a chain of ...

The bones of a 160-million-year-old dinosaur are helping scientists solve one of evolution’s biggest mysteries: how birds gained flight. Hidden within the wrist of a small, feathered dinosaur lies a ...

Defined by their disappearance dinosaurs might appear to be evolutionary failures. Not so. Dinosaurs survived and thrived for 165 million years -- far longer than the roughly 300,000 years modern ...