Bike-mounted radar unit warns cyclists of approaching cars

New tech recharges your body and your phone

High-quality gear for the savvy aesthete

Cuts weight, minimizes carbon emissions, adds class

Permanently banned after offering cookies, serenading

Come on in—the water might be fine

With a little help from Make-A-Wish, Yosemite’s first honorary park ranger earns his keep and proves his strength

It's his clean-energy world. We just revolve around it.

As the drought worsens, restrictions get tough

Study ranks 30 largest U.S. cities.

Ultrarunner shaves 5 hours off fastest time

"41" turns 90. Still charges.

Seven men want to share a few thousand pieces of gear with the world. And they need your help.

Violators face $70,000 fines, confiscation of animals

Stoners take hits, marijuana sales do the opposite

Fuel to get you through your hump days

168.5 feet high, reaches speeds up to 65 mph

Bears cling to trunks during heat waves

Silk can communicate structural information, inspire new materials

Three entrepreneurs envision a future of shared outdoor equipment. And while the project is barely off the ground, their idea could change how we buy and sell gear.

Fight-or-flight mode: The Internet follows you everywhere, it's all your fault, and there's nowhere to hide. Maybe that's not a bad thing.

Using results from 600-student personality survey

According to Merriam-Webster's Dictionary

Changing global water conditions mean gelatinous presence farther inland

Commuting by bicycle reaches 0.6 percent

Crude drowns half-mile of Los Angeles neighborhood

Runs into trouble with authority in planes, cars, and bikes.

Herb-friendly classes take off in L.A.

50-pound fertilizer explosive put hundreds of thousands in danger

Million-dollar Indiegogo campaign hoping to get idea on the ground

5 herons rescued, at least one dead

Wind farm and hydroelectricity independently support population of 10,000 in Canary Islands

Including smoking, video game binges

GPS locator SPOT launched in 2007—and has already notched 3,000 rescues

Rare goblin shark found in Gulf

44 Greenpeace activists detained in Holland, released within hours

Just how bad are these Southeastern tornadoes? See for yourself

Holidog offers peer-to-peer pet services for kennel-wary owners

GPS locators to take thieves from handlebars to behind bars

Now your Street View photobombs will never disappear

Palcohol approved, unapproved within two weeks

Wildlife advocacy gets Snapchat treatment

38 million gallons of urine trouble

Field surgery in Kenya requires quick thinking and guts

Green spaces correlate with lower rates of depression

Even megablisters didn't stop GoPro

City lashes at "public nuisance"

New regs could jack up beer bill