Climate change is transforming ecosystems in the far north. An international team of scientists has made some surprising discoveries.

From bears snacking on salmon to wildebeest crossing the Okavango Delta, here are the best live wildlife streams of this month.

Leading photographers Paul Nicklen and Cristina Mittermeier are helping to protect natural ecosystems through art.

Hundreds of tankers, whose owners are hidden behind shell companies, have enabled Russia to sell 60% of its oil. Moscow has ...

Sailors scanned for icebergs on a nine-day journey to the U.S.’s northernmost military installation this summer—part of an ...

A Trump annexation effort would likely start in the North. It’s time to take the possibility seriously and have a hard ...

Discover the fascinating world of bipedal animals, from waddling penguins and hopping kangaroos to upright-standing flamingos ...

Not all heroes wear capes, and not all angels have wings. Some of the most heartwarming stories come from ordinary dads who ...

Sand Harbor sits on the Nevada side of Lake Tahoe, just a few miles from Incline Village. It’s part of Lake Tahoe Nevada State Park, but calling it just a “state park” feels like calling the Mona Lisa ...

Siku, a 15-year-old male polar bear, is moving in the coming weeks to Madison, Wisconsin — home, of course, of the University ...

The four-year-old female arrived in St. Paul from Point Defiance Zoo & Aquarium in Tacoma, WA on Thursday, and went for her ...

It's hard enough for polar bears to find food, especially when they have hungry cubs to feed. But one lucky polar bear ...