Pioneering techniques used in this research may soon be applied to other dinosaur fossils and alter the course of ...

Scientists believe they now know the true lifespan of the Tyrannosaurus rex, rewriting what was known about the ancient ...

New research shows Tyrannosaurus rex took nearly 40 years to reach full size, 15 years longer than previously believed, ...

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

T rexes grew much more slowly than previously thought, taking several decades to reach their full size of around eight tonnes ...

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

Given that Donald Trump has been threatening China on and off with massive kinds of tariffs, China has threatened to cut off access to these naturally-occurring deposits, of which they claim to have ...

The largest-ever study of how the “king of dinosaurs” grew shows a much longer, slower path to adulthood than scientists ...

Dinosaur bones are like trees—every year is represented by a new ring, and paleontologists can count those concentric circles ...

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

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

Because growing conditions vary from year to year, the rings are not uniform. The record of good (wide ring) and slow (narrow ...