Scientists take a new look at the extinct, jumbo Deinosuchus and find it truly lived up to its name.
"Deadly, scythe-like mandibles" would be a great heavy metal band name.
A fossilized dinosaur fibula's 76-million-year-old medical secret leads to a paleontology first.
A scientist described the tracks as looking like "a crocodile balancing on a tightrope."
It was a picky eater.
The millipede is making scientists rethink the evolutionary timescale for bugs and plants.
Humans alone didn't cause the extinction of these fabulous megafauna in Australia.
The tense scene of predation is preserved in frightening detail.
A paleontologist says time travelers would not survive long in this predator-packed area of Africa 100 million years ago.
The fossils turn back time for ancient algae.
Check out the mind-blowing photos of the massive fossils.
The dashing dinosaur is now the oldest tyrannosaur species discovered in Canada.