Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
Video: It's difficult to study active volcanoes up close for one big reason: It's dangerous. But Shaun O'Callaghan might have found a way.
Video: A ship collided with a barge carrying 924,000 gallons of oil on March 22, and the U.S. Coast Guard says about 168,000 gallons were released in the incident.
Video: The search for survivors continues in Washington state after a massive mudslide that killed at least 8 people and destroyed 30 homes.
Whales, dolphins, sharks and millions of fish die as bycatch in fishing nets every year, according to Oceana.
Conservationists on the Big Island go to great lengths to protect the unique, iconic and endangered species that roam its lands and waters.
Absorbing more carbon dioxide than they release, these vast forests can be credited with helping to lower levels of greenhouse gases in the atmosphere.
History is wrought with harrowing survival stories of exiled castoffs and marooned travelers who have defied the odds.
Here are 21 reasons why woodlands are wonderful.
Have you ever seen a tortoise adopt a hippo? Get ready to fall in love with these sweet animal pairs.
The fish punctured a hose connected to a BP oil tanker, resulting in an estimated $100 million loss.
There's a fascinating reason behind why something should look green, but doesn't.
'Wolf Mountain,' about wolf rescuer Tonya Littlewolf, named winner of this new short film competition.
Many species have unique survival strategies for the cold, and this moss is just one of them.
Titled 'Bigger Than Life,' a new short video explores Alaskan ice caves with a GoPro-toting drone.
Scientists disagree about what impact ice loss in Greenland could have on sea level rise as some models predict that the melting of glaciers will slow as they retreat into rocky valleys.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.