A new study analyzes findings from more than 170 papers to clarify what we know so far about the ecological impacts of large carnivore recovery in North America and what mysteries still remain.

The strength and smarts it takes to be successful when food is hard to come by can become a little problematic when humans ...

Leedsichthys also sported 40,000 needle-like teeth. Yet for its prodigious size and toothiness, it was a gentle giant, like ...

While the polar bear is huge, it is not the biggest bear ever to walk around in North America. That honor would go to the ...

Black bears enjoy time in trees, but none more so than a black bear recently caught on video, which took relaxation to the next level.

Canada, neighbours to the north of the top destination, came in sixth in the ranking, followed by #7 Peru and #8 Spain, the ...

DNA shines a light back into the past, showing us things that fossils can't. But how far back can that light extend? Some of the oldest DNA sequences come from mastodon and polar bear fossils about 50 ...

BOOTHBAY HARBOR, Maine (AP) — Republican lawmakers are targeting one of the U.S.’s longest standing pieces of environmental legislation, credited with helping save rare whales from extinction.

Penguins and polar bears do not share icy landscapes. Penguins evolved in the Southern Hemisphere, adapting to cold waters ...

A study identifies that at least eleven species of vertebrates benefit from this carrion, including Arctic foxes and ravens.

A new study published in the scientific journal Oikos reveals for the first time the critical role polar bears play as ...