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.

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

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 ...

New findings about the anatomy of the dinosaur age’s fiercest predator suggest it chased prey “like an oversized bird.” ...

The predator, nicknamed Raptorex, lived about 60 million years before the T. rex and was slightly larger than the human male, scientists said. The findings, to be released Friday ...