Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
Scientists have discovered man-made earthen trenches from a period before the Amazon rainforest grew into what it is today. What the trenches were used for remains a mystery.
From serene and stirring to surreal and sublime, here are some of Mother Nature's crowning accomplishments when it comes to spectacular settings.
White-nose syndrome is still spreading wildly, but a few bat colonies may be showing signs of resistance.
This national park's beauty is world-renowned and it doesn't take more than a quick glance to understand why.
Wishing you a happy Independence Day with a spectacular sunset from the Florida coast.
Scientists theorize that the plastic is being broken down into tiny, undetectable particles or that it is being carried into the deep ocean.
A shift away from a nomadic to agricultural society could have spurred a population growth.
All these amazing images have been submitted by our readers in our new Photo of the Day feature. And wow, have they been amazing! Here are the most popular from the past month.
You recognize Nike by the swoosh and McDonald's by the arches, but can you identify a tree by its leaves? Try this quiz, brought to you by Mother Nature's unofficial marketing team.
Oregon's Silver Falls State Park is a wonderland of rivers, streams, rainforest and cascading water.
Every spring it becomes abundantly clear why California is called the Golden State.
The Norwegian word doesn't translate easily to English, but the basic spirit of friluftsliv hides inside all of us.
Beaches in the Great Lakes region had the highest rate of pollution, with beaches along the Gulf Coast not far behind.
Photographer Adrian Limani takes a creative spin on the typical sunset photo with this clever conceptual shot.
In 21 African countries, children who lived near forests had more varied diets, a study by the Center for International Forestry Research finds.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.