Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
Scientists are not sure what caused these releases of carbon dioxide, with theories ranging from changes in ocean currents to more active underwater volcanoes.
These dreamy landscape photographs by Jeff Mitchum will have nature lovers everywhere pining for some time outdoors.
A chemical analysis of an ice core reveals large quantities of metals polluted the atmosphere from just before 1600 until the early 1800s.
Five years later, scientists may have finally found up to 10 million gallons of missing oil from the 2010 BP spill.
Ancient microbes may have once altered long-buried carbon, indicating an ability to survive in the harshest of environments.
Researchers discovered the solar and architectural oddity thanks to data from Google Earth satellites.
This quote by Debashis Dey adds a silver lining to your life when you're blue.
Game cameras give us a view into what happens in the woods when the sun goes down.
Free diver Guillaume Néry is carried through the swift currents of the Pacific Ocean.
Photographer's exploration of the beauty of man-made illumination around the world reflects humankind's dominance over the planet.
U.S. pipelines have already sprung two major leaks in 2015, including the Yellowstone River's second oil spill in four years.
There's more to it than just picking up trash along a river. If you really want to help local waterways, here are clever approaches.
These wise words from great authors and naturalists provide wonderful material for meditating on wilderness and natural places.
New Mexico-based artist Ja Soon Kim collects and neatly arranges leaves, flowers, seashells, feathers, stones and other natural objects.
Since it was first noted that these stones seem to up and move of their own accord, scientists have been trying to figure out how in the world it happens.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.