A new study shows how much food polar bears leave behind — and how their decline threatens scavengers across the Arctic.

Well, looks like we’re the lonely ones now — but not for long. The goodbyes seem never ending at the Oregon Zoo. Earlier this month, Portland bid farewell to Amelia Gray, one of the city’s beloved ...

PORTLAND, Ore. — The Oregon Zoo will soon say goodbye to one of its most beloved polar bears, while welcoming a new one. While the zoo didn't share an exact date, Nora the polar will move to Wisconsin ...