From the floodplain forests of the upper Mississippi River to the long coast of Lake Michigan, Wisconsin is rich in wetlands.

A warming Bering Sea kept ice away from this Alaskan island — leading to the closure of a crab processing plant and fraying ...

Regional lands are known for their tundra valleys filled with grasses, plants and bushes, not a 10-foot tree in sight. But ...

Dire wolves — or really, wolves with traits like the extinct species — are back. But New York has plenty of its own ...

Fifty thousand years ago, North America was home to towering giants. Mammoths roamed the tundra, saber-toothed cats hunted in ...

I traveled to Wrangell-St. Elias National Park and Preserve in Alaska for the chance to enjoy summer solstice and the park’s ...

After visiting all 63 national parks in the US, my favorites include Yosemite and Grand Teton. I think one of the worst parks is Gateway Arch.

Boston’s airport has the highest known concentration of snowy owls in New England. Raptor researcher Norman Smith has removed more than 900 of the Arctic birds.

Millions of birds are flying over Mississippi every night for the next few weeks. You can help them move safely. Here's what ...

A global mining giant is selling its 50% stake in Donlin Gold. One of the buyers is John Paulson, who made billions betting against the housing market before the 2008 financial crisis.

Alaska is a prime location for birdwatchers. Local guides help avian observers check bristle-thighed curlews off their bucket ...