It turns out huge sauropods had a similar body temperature to humans -- paleontologists thought they would have been much hotter.
These extinct relatives of crocodiles sunk their sharp, serrated teeth into prey and then spun, ripping out chunks of flesh.
Nervous about sharks? Your chances of being killed by an alligator are actually much higher.
Scientists devise an accurate method of determining the body temperatures for extinct animals, including woolly mammoths and eventually even dinosaurs.
This heavily armored reptile may have lived among dinos, but it sure wasn't threatened by them.
Fossils of a new dinosaur have frozen the animal during its final moments.
A massive volcanic eruption tipped the scales in the battle between dinosaurs and crocodiles for global dominance.
Manatees, sea turtles and fish in the Sunshine State are dying in record numbers because of the unusually long cold snap.