Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
For those who love the great outdoors, Hope Valley in California's Sierra mountains is a beautiful draw.
The island country is experiencing a harrowing infestation of the Malagasy migratory locust, which threatens the livelihoods of the more than 13 million people.
The beautiful details of a tiny flower are brought into focus with this photography style.
As the seed pod opens and unfurls, art is born. Nature is kind of amazing like that.
This map project looks at where human beings aren't — and brings some interesting data to light.
Check out how it looks to plunge headlong down one of the gnarliest mountain bike race courses in the world.
Scientists used to think that fairy circles were made by termites, but new research suggests otherwise.
Sandy debris pulled up from icebergs sugget that Antarctica's giant glaciers respond to a warming climate with pulses of quick withdrawal as opposed to a gradual retreat.
The new findings may help scientists to explain why sea ice levels fluctuate from year to year.
A single-celled, coral-killing creature with 'devil horns' has been found on microplastics in the open ocean.
The craggy slopes of Oak Creek Canyon near Sedona are enveloped by smoke and flames from Arizona's Slide Wildfire.
Check out the crazy way one band of merry Russians spent an afternoon.
Around the globe, islands preserve habitats for a wealth of unique plants and animals on land and in the water.
For scientists, these dark ocean finds indicate that creatures from the deep played a significant role in marine biodiversity.
The Colorado River connecting with the gulf marked the end of a nearly two month effort to moisten the river's parched delta.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.