More than 3 million years ago, when our ancient ancestors embodied by the iconic Lucy were roaming the African landscape, they would have feared a big, bad crocodile with a prominent lump on its head, ...

Sharks might not be a natural biological group, with most species potentially closer kin to rays than to an oddball group of sharks.

Many of the most damaging invasions do not simply subtract species; they fundamentally remodel the environment, altering habitats, rewiring interactions, and shifting processes in ways that species ...

On the second floor of a sleek but unremarkable office building just west of downtown Dallas, Texas, an animatronic white wolf stands atop a promontory, slowly surveying the vast entry area for ...

Humans have contended with crocodiles for a really long time. The recent discovery of an ancient crocodilian species sporting a strange snout indicates the reptiles may have even preyed on our ...