A new study indicates the giant reptile Deinosuchus is not a close relative of modern alligators, as scientists previously ...

Dire wolves — or really, wolves with traits like the extinct species — are back. But New York has plenty of its own ...

Researchers may have discovered Mississippi's largest ever mosasaur after pulling a Cretaceous-aged fossil out of a riverbed ...

Deinosuchus had a wide snout like an alligator’s. But unlike alligators, it thrived in salty waters. It lived between 82 and ...

Scientists revisited tracks made by a shorebird, a lizard, a cat-like predator and some sort of large herbivore at what is ...

An international team of paleontologists, geologists, geoscientists and Earth scientists has found evidence that a type of ...

A prehistoric hell ant that lived among dinosaurs 113 million years ago had an unusual way to kill its prey and sheds new ...

Giant prehistoric kangaroos perished when "climate upheaval" turned lush Australian rainforest into desert, scientists said Thursday after studying ancient fossils with new techniques. Lead researcher ...

This fossil is 13 million years older than any ant fossil found before—and reveals a sophisticated predator that lived alongside the dinosaurs.

Four adorable western Santa Cruz Galápagos tortoise babies are now on display at Philadelphia Zoo after their 100-year-old 'Mommy' reproduced for the first time.

Titanoboa cerrejonensis, the largest snake ever discovered, lived around 60 million years ago and could grow up to 47 feet ...