As Chicago faced its first heat wave of the summer season, animals at the Lincoln Park Zoo beat the heat with some cool treats. Umande, a western lowland gorilla living at the ...

Behavioral ecologist Michael Weiss was browsing through new drone footage of the orca pods he studies in the Salish Sea when he spotted one of the killer whales carrying something green in its mouth ...

For over a century, scientists have puzzled over a fundamental mystery in our evolutionary history: how did mammals go from ...

Josh Brolin displayed eye-popping faux tattoos while on the set of the forthcoming thriller Whalefall on Monday.