Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
'The Ansel Adams Wilderness' is filled with original black-and-white images taken by National Geographic photographer Peter Essick.
Victorious allies dumped a massive stockpile of Nazi weapons in the Baltic Sea. What could possibly go wrong?
Mount Erebus is monitored by infrared cameras year-round, and scientists are finding patterns that provide insight into exactly how the volcano works.
A new film about Africa's embattled Virunga National Park debuts just days after the park's director was shot by gunmen.
Researchers created models to predict how much genes and skull measurements would differ across groups, regions and time and then compared to actual gene and skull data to determine changes.
Researchers study blue ice that has captured radioactive krypton-81 inside air bubbles and snow to determine the age of the ice.
Discovering new orchid species is a rare thing as the flowers tend to grow in either inaccessible places or in regions where their habitats are being rapidly destroyed.
America's national parks are at their most vivid in springtime. Celebrate National Parks Week with us with this breathtaking visual tour of some of the most beautiful sights.
With avalanches, glacial floods and a dwindling water supply, Mount Everest may become unclimbable in the very near future.
In honor of Earth Day, let's see how worldly you really are.
The frozen soil contains millions of beryllium-10 atoms, with levels comparable to tundra soil in Alaska. Only certain regions Africa and Australia have older landscapes.
See how much you know about our nation's treasures!
Portland authorities faced a tough decision this week: To drain a large reservoir or provide residents with pee-tainted tap water? To some controversy, they opted for the former.
Mushrooms are amazingly diverse, running the gamut from vivid colors to lacy shapes to glowing in the dark. We celebrate the bizarre beauty of fungi with these 14 particularly odd specimens.
Celebrate National Park Week with a free pass to any one of our country's 401 national treasures.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.