Whales tan to avoid sunburn
September 3, 2013, 4:44 p.m. by John Platt
It turns out the ocean is the world's biggest tanning bed.
Time lapse video of California's Rim Fire
August 29, 2013, 11:38 a.m. by Melissa Hincha-Ownby
Amazing footage of the ever-growing fire that is spreading farther into Yosemite National Park.
Giant sequoia trees threatened by Yosemite fire
August 27, 2013, 11:24 a.m. by Becky Oskin, LiveScience
While giant sequoias have evolved to withstand frequent forest fires, the current wildfire is spreading from the treetops, posing a new challenge.
Yosemite fire nears San Francisco water source
August 26, 2013, 9:18 a.m.
Video: The huge wildfire burning around Yosemite National Park is about 7 percent contained. Park officials say it's approaching the Hetch Hetchy Reservoir, the source of San Francisco's drinking water. City officials say the water quality is good.
Is this a movie set or just firefighting practice?
July 29, 2013, 12 p.m. by Photo Blog
A team of Air Force firefighters don shiny heat-resistant gear to extinguish burning jet fuel during a training exercise.
Wildfires in subarctic's boreal forests on the rise
July 23, 2013, 1:39 p.m. by Joseph Castro, LiveScience
Charcoal from the Yukon Flats of Alaska provides a glimpse into the region's wildfire history and how its vegetation has recovered.
Oct. 8, 1871: The day America burned
July 15, 2013, 12:51 p.m. by John Platt
The Great Chicago Fire started that terrible Sunday, but so did two other massive and deadly wildfires.
Watch: Farmer races to save his crop from creeping wildfire
July 10, 2013, 11:43 a.m. by Shea Gunther
Check out the mad dash of this heroic farmer carving out a firebreak with his tractor to stave off a spreading wildfire.
How the West was burned: Deadly wildfires sweep through U.S.
July 8, 2013, 2:10 p.m. by Photo Blog
Massive wildfires in Arizona, Colorado and Nevada burn thousands of acres and kill dozens of people, leaving nothing behind but scorched earth and broken hearts.
19 firefighters killed in fast-moving Arizona blaze
July 1, 2013, 9:21 a.m.
Video: Fanned by hot winds, a deadly blaze exploded out of control on Sunday in Arizona, overtaking 19 firefighters, 18 of them from the same elite Prescott, Ariz., Granite Mountain Hotshots team.
Frequent fires? New tool reveals climate impact by ZIP code
June 21, 2013, 6:19 p.m. by Frances Beinecke, Natural Resources Defense Council
The new NRDC app is meant to spur individuals to action to combat climate change in their own communities.
10 of the worst wildfires in U.S. history
June 17, 2013, 4:02 p.m. by Bryan Nelson
A look at the country's biggest fires and the destruction they left behind.
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Turtle 'marriage' ends after 115 years
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'Signing Day' recognizes high school seniors starting jobs, not college
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USDA says filler once known as 'pink slime' can be labeled ground beef
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Honey badger fights leopard to rescue her baby
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New map of the night sky reveals 300,000 'hidden' galaxies
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59 endearing names for baby animals
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10 of the snowiest places
Some of these cities get hundreds of inches of snow each year.
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These places always have gorgeous weather
Sunny and 80 degrees? Sign us up! These locales are the perfect escape from the cold.
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14 spectacular ice caves
Whether they're hiding beneath glaciers or inside a mountain, ice caves are strange and surreal.
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A breathtaking look at our national parks
Whether you're an armchair traveler or planning a trip, enjoy these winter wonderlands.
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10-not-too-cold destinations
Just because you're going north for the winter doesn't mean you'll get frozen.