NEW! Outside TV show

Alex Honnold explores Nevada’s wild side

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NEW! Outside TV show

Alex Honnold explores Nevada’s wild side

Watch now

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Exercise may not be enough to make up for thru-hikers’ bad diets, a new paper suggests

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Despite warnings, rules, and common sense, tourists in Yellowstone keep approaching bears and bison.

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Unpacking the buzz around the latest performance food

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When the American cyclist quit the Tour, he did exactly what an athlete should do

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You don’t need to go all in to reap health and performance benefits from the famous diet

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The real takeaway: nutrition labels just aren't working

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How to assemble your first kit.

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A new cookbook seeks to make the world’s most restrictive diet palatable

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A new cookbook breaks some traditional Paleo rules. Result: It's packed with recipes you'll actually want to make.

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Tips from legend Lee Sheftel, who sent his first 5.14 after his 59th birthday

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Scientists also investigating beetles, caddisflies

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In some cases, may help

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At least 10,500 years old

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Join glowing cats, mice, pigs

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Newlyweds take home gold and silver

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In development for 30 years

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Will be torn down in two weeks

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Swimmers warned to cover up

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Will release animals or transfer to refuges

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Officials fear it may draw people to island

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Fled during war, lived 40 years in forest

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Photographer captures pictures from plane

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Employees let go without warning

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Will be dropped from plane at 14,500 feet

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When yacht runs aground

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Was working as instructor in Oregon

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Nepali team will monitor climbing, permits

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UNC professor and CU student play concert

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Have caused at least one death

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Could use stem cells from tissue

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Caught up in Electroshock Therapy

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Rep claims animal was playing

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With 104-tooth chainring

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Service animal for anxiety

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Killed over trespassing dispute

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By the end of the century

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Prototype funded on Kickstarter

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Obviously illegal, probably impossible

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Blaze headed toward Palm Springs

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Will be breached Monday

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Bull gores woman in the chest

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American loses spleen

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After fishermen drag camera

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Causes under investigation

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Next up: circling the globe

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Hope to finish in three months

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With Brad Pitt's brother

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Woman escapes unharmed

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Fourth incident in three years

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Less than 50 of the birds left in wild

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Tracked animals with radio collars

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Emily Jackson takes home $4,000

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Authorities won't close beach

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Fire crews don't expect to make gains until rainy season

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Following deadly terrorist attack

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Using satellite imagery

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Has a history of fishing violations

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Passengers crowd into shelters

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Young crushers today are sending grades that didn't exist 20 years ago. But can their growing bodies handle the strain?

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Debuting at music festivals this summer

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One firefighter evacuated

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Will generate enough energy to power Denver

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Goes to governor to sign

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Could end research

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In new study from Yeshiva University

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Foreign minister headed to Addis Ababa

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Austrian nets sixth win of 2013

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Utah will host first competition

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Uses accelerometer to measure pet activity

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Second fatality of season

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Won't compete due to knee injury

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Could aid cloning project

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UIAA President backs plan

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Breweries rely on underground wells

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Breaks age record

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Died in separate incidents on descent

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Snake was almost 19 feet long

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Went missing last Tuesday

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Tour leader captures video

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