Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
Deforestation and illegal animal trade have done enormous damage to Brazil's wildlife
Shocking news about the bison's heritage is spurring a new kind of threat to the species.
One wilderness-loving hunter makes the case for when, how, and why to hunt.
Poverty and tribal hunting threaten the Philippines, a top biodiversity hotspot.
In a world without people, nature repossesses 18 holes.
Concern is growing for 'mega fish' populations.
By studying the amount of energy penguins spend hunting, scientists get clues about the effects of over-fishing.
Bird watching catches on in the urban jungle.
A conservation program succeeds by embracing trial and error.
Natural disaster scorches 23 square miles and forces thousands to evacuate.
Planting indigenous plants can help stop the decrease of migratory bird populations.
Scientists know that sunken ships attract marine life, but tires just don’t have the same draw.
Video: New federal funding will support protection of private forest lands threatened by development.
Video: Why are these earthworms running for their lives? Assignment Earth has the answer.
Chad Pregacke's passion for the Mississippi River is as strong as his passion for skateboarding, and he's turning it into action.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.