Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
The radioactive cesium has not been detected on beaches, and it has a brief half-life of two years which renders its danger to human and animal life fairly low.
The battery-drive robots found that currents push up pulses of warm water that flow beneath icebergs, contributing to melting rates.
U.S. water usage is at a 45-year low, according to a new government report. But is that low enough?
These lines from William Wordsworth put a little perspective into the hustle and bustle of the week and the opportunity to restore ourselves on the weekends.
A new constitutional amendment in Florida represents the largest land-protection measure ever adopted by a U.S. state.
How a conservation documentary became a real-life thriller about civil war, corruption and corporate greed.
Satellites are cheap ways to keep an eye on people living in the rainforest, and does so without the risk of passing along diseases to the tribes.
The turbulence of the fall season swirls over a herd of bison in this iconic American landscape.
A new study by NASA scientist James Famiglietti quantifies how fast we're pumping water out of California's aquifers in response to the drought.
Researchers are identifying new craters by examining minerals, deformed rocks and structural characteristics that match other, confirmed meteorite craters.
The walls of these giant circles were too low to function as animal corrals, and scientists don't see why a corral would need such a precise shape.
An aluminum shard that may've come from a window patch on Earhart's aircraft has prompted the renewed interest in the lost pilot.
As waves roll into shore, the edges are often foamy -- sometimes so much so that foam blows off the water and down the beach. Here's why it happens.
Divers scoured remote Pacific atolls to collect the garbage, some of which had entangled sea turtles.
The bright blue contrasts beautifully with the red rocks over which the waters tumble. Here's how it gets that hue.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.