Laboratory of Behavioral Ecology and Evolution at Seoul National University What are the origins of wings and tails in birds? This is one of the key questions in the evolution of animals. It has long ...

BERKELEY (CBS SF) -- A paleontology professor at the University of California, Berkeley has come up a new answer to a question that has stumped dinosaur experts and armchair observers alike: Why are ...

As mighty as Tyrannosaurus rex was, its tiny forelimbs have also made it one of the most mocked dinosaurs of all time. The stubby arms of this predator once seemed mismatched to its enormous frame, ...

The three-horned dinosaur Triceratops may have had a more upright, athletic posture than thought, new anatomical evidence suggests. Researchers say Triceratops' forelimbs may have resembled those of a ...

Looking at the complete skeleton of an adult Tyrannosaurus rex, with its massive body, the powerful legs and large skull, the arms seem strangely out of proportion. Paleontologists have proposed ...

These days, mammals can use their forelimbs to swim, jump, fly, climb, dig and just about everything in between, but the question of how all that diversity evolved has remained a vexing one for ...

Oviraptorosaurs are weird dinosaurs, which look a bit like flightless birds. But these ancient animals aren’t just funny looking fossils. As my team’s new research shows, they can help us understand ...

The discovery of a theropod dinosaur with Tyrannosaurus rex-like arms suggests that these unusual forelimbs may have evolved multiple times. The discovery of a theropod dinosaur with Tyrannosaurus rex ...

Durham, NC — Saber-toothed cats may be best known for their supersized canines, but they also had exceptionally strong forelimbs for pinning prey before delivering the fatal bite, says a new study in ...