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 ...

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

Researchers have named the new species Crocodylus lucivenator, or Lucy's hunter. The post Study finds crocodile-like predator preyed on man’s ancestors appeared first on Talker.

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, ...