The stubby arms of Tyrannosaurus rex obviously weren't designed for hand-to-hand combat.

A new species of giant, feathered dinosaur discovered in northeastern China is the largest known feathered animal –- living or extinct -- ever to have existed, scientists reported on Wednesday.

According to new research, the Tyrannosaurus Rex, which has traditionally been seen as a lone wolf kind of dinosaur, hunted in packs.

A new study from an international team of scientists suggests juvenile and adult predatory dinosaurs had a range of hunting and feeding strategies.

A gigantic theropod dinosaur measuring 11 meters long (36 feet), four meters tall (13 feet) and weighing in at six tons has been discovered in eastern China.