New fossil evidence suggests echidnas evolved from a water-dwelling ancestor, not a land-based one. The bone structure ...

Fossils reveal that sebecids, long-extinct land predators, survived far longer in the Caribbean than previously thought, ...

Mississippi State University researchers have uncovered a large mosasaur vertebra near Starkville, potentially the largest of ...

An international team of paleontologists discovered a previously unknown species of ancient mammal, named Ravjaa ishii, in ...