Simulations calculated Tyrannosaurus speed from the motion of its swaying tail, finding that the massive dinosaur was a ...

Each week, SPIN digs into the catalogs of great artists and highlights songs you might not know for our Deep Cut Friday ...

A team of researchers has discovered 16,600 footprints belonging to theropods — the dinosaur group that includes the ...

For decades, a small tyrannosaur skull has divided paleontologists over whether it belonged to a separate species or a ...

New research has overturned decades of uncertainty by showing that Nanotyrannus was a fully grown predator, not a juvenile T. rex.

Was Nanotyrannus a bona fide species or just a teenage Tyrannosaurus rex with a lot more growing to do? Scientists have settled that debate.

Scientists have confirmed that Nanotyrannus was a mature species, not a young T. rex. A microscopic look at its hyoid bone ...