This suggests the dinosaurs hunted different prey at various stages of life. The faster juvenile T. Rexes probably chased ...

Tyrannosaurus rex may have taken far longer to grow up than scientists once thought. By analyzing growth rings in fossilized leg bones from 17 tyrannosaur specimens and using new statistical methods, ...

Evolutionary biologists and biomechanics experts are giving the apex predator a serious makeover. It turns out the T. rex was remarkably dainty on its feet. Instead of slamming its heels into the dirt ...

For decades, pop culture has painted Tyrannosaurus rex as a heavy-footed titan whose every step would make the ground tremble. But new evidence suggests this nine-ton predator was surprisingly dainty.