Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
There are about 160 organisms from deep-sea vents that enjoy a methane meal on the way up to the ocean's surface.
Mist hovers above the frozen Bow River and then Canadian Pacific Railway on Dec. 7 as twilight falls on Morant's Curve in Banff National Park in Alberta, Canada.
Nope, Superman can't crush a piece of coal into a diamond. And neither can ordinary humans. We bust the common myth.
From surreal icy landscapes to a dog getting hit in the face with a snowball, these pictures will remind you of the joy of winter weather.
A recent study shows that gophers may have been behind the 8 feet tall, 30 feet wide mounds that cover Washington's prairie land.
Is the government really spraying toxic substances at 50,000 feet? Probably not, but here's what's really going on up there.
See what happens when 1 fearless captain guns his way up and over a crazy big wave.
Vibrations from celebrating fans are different from actual quakes, but their frequencies can still register on seismometers.
Video: A South African rescue diver was searching the wreckage of a capsized tugboat to recover bodies when a hand suddenly reached out to him.
While thousands across the country lined up for Black Friday madness, park rangers and tourists at the Grand Canyon lined up along Mather Point to witness a rare cloud inversion.
A photographer hired by the EPA for the Documerica Project in the early-to-mid 1970s photographed flood damage and Texas wildlife.
The difference in emission estimates stems from the variety of ways groups collect and measure methane in the atmosphere.
Hundreds of 70-foot, bright yellow arrows once guided mail delivery pilots across the U.S., and many of them still exist today.
Mushrooms live in tight quarters on forest floors, often isolated from strong air flows that may easily spread their spores.
An abundance of Arctic storms and a lack of methane-munching microbes in shallow waters allows more methane it seep into the atmosphere.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.