Since 1994, the annual event has been the largest single-day volunteer event in the U.S.Since 1994, National Public Lands Day ...

Extreme environmental physiologists” weigh in on what the human body really needs in terms of calories and fluids ...

Chuck Norris may be in his golden years, but he isn’t over the hill just yet. In fact, he’s on top of it. The famed American ...

The coercion worked. Quade completed the punishing Windom-Sunlight-Eolus linkup in the San Juan Range when he was just nine ...

Thinking of hiking Peru’s famed Inca Trail? Here’s what to know about Machu Picchu’s recent protests, and why it could lose ...

Ian Stasko of Utah and Andrew Porter of North Carolina disappeared on September 11 after they “failed to check in with loved ...

The idea of spending my evenings along the river peering into the heavens sounded fun, so I added a Hestia to my pack. Here’s ...

According to Apple’s testing, the Ultra 3 should last 42 hours with “normal” use thanks to a bigger battery and more ...

At least a handful of interpretive signs—those providing visitors with historical or cultural context—have been removed from ...

Brook Falls is considered to be the bear-viewing capital of the world, but there’s also a little-known alternative off the ...

Fat Bear Week, a March Madness-style contest that pits a dozen Alaskan brown bears against one another in single-elimination ...

When Gus was just a sapling 1,000 years ago, there were an estimated 250 million people on Earth, far less than today’s 6.8 ...