NASA and its partners have published the first wave of information about the samples collected in the OSIRIS-REx mission.
Tyrannosaurus rex was one of the most ferocious predators to ever walk the Earth. With a massive body, sharp teeth, and jaws so powerful they could crush a car, this famous carnivore dominated the ...
rex likely was in a constant process of losing teeth and regrowing them throughout its life. Also over the summer ... which was the first one spotted by the children in North Dakota.
In 2013, a broken tooth of a Tyrannosaurus rex found in another dinosaur’s tail bone offered the first hard evidence that the king of all carnivores hunted live prey. Previous discoveries of ...