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Thanks to improved safety standards and tandem flights, scores of acrophobes are giving hang gliding a second wind. And now, they're soaring in style—over the Golden Gate Bridge.

Meet the proud residents of the nation's arsenic capital. Now, will someone please explain to these good people why poison's a bad thing?

If you want to get high, there's still a price to be paid for invading the towering ranges—despite some newfangled shortcuts

Using cutting-edge techniques, three young mavericks set out to tackle one of the hardest routes in the Himalayas

Science is sprinting toward the super-enhanced athlete. Say hello to tomorrow's inhuman being.

Warning: Research at your own risk. Welcome to the new frontier, where scientists use extreme adventure skills in the wild pursuit of knowledge.

The 29er gives the flagging sport of sailing a facewash

Will Earth's most fragile unexplored ecosystems survive the age of adventure?

A noisy controversy roils the quest to catch the big one

The Pacific Rim's most explosive endurance sport combines speed, pain, and ancient tradition

Some of the most innovative boats ever built prepare for the fiercest race in sailing history

Alaskan eccentric Trigger Twigg attempts the first winter ascent of the world's tallest face

Can you feel it coming? Heat, hail, snow, rain. Wind, drought, flood, pain. Are you tired of waiting? Then hurry to Bangladesh, where the skies have already broken.

There’s nothing funny about motion sickness. Really. I mean it.

For 90 million years the turtles have massed to lay their eggs. This time they gathered for their own mass murder…