Ornithologist Bruce Beehler tracks down what he calls the “Magnificent Seven,” a charismatic group of migratory birds, in his ...

From Mexico to the mountains, Arizona’s hummingbirds are on the move. Here's when and how to spot them in Arizona.

Set at the headwaters of the Suwannee and St. Marys rivers in southeastern Georgia, the Okefenokee Swamp is not only one of America’s most important ecosystems, but it's also the largest blackwater ...

Incredible footage has emerged of the moment a herd of elephants sprung into action to protect their youngest during a 5.2 ...

It’s not very often we get to see the reintroduction of an endangered species to our area, get reintroduced into our ...

Are you looking for the top U.S. national parks, ranked from stunning to must-visit? Read on for a list of the best U.S. national parks you can visit this season.

A new study found that it's possible to return grizzly bears to California. Whether that's a good idea is a matter for ...

Researchers in Virginia have issued a warning about a virus seldom seen in the US that comes from mice, the same virus that ...

The last true wilderness in America is in the northernmost region of Alaska, and just getting there is a daring feat that requires intense planning.

Some species seem to live fast and die young. Others, though, “appear not to age,” says João Pedro de Magalhães, a molecular ...

Long Island wildlife experts have employed the help of citizen scientists in their three-year survey of the island’s terrestrial and semi-aquatic mammals.

Many huge animals went extinct surprisingly recently. When they died, their ecological role was lost with them.