Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
Add another group to the list of civilizations who re-discovered the New World before Columbus.
Learn more about this little-known 19th century visionary whose work paved the way for the creation of the National Parks System.
You may already be familiar with albinism in humans and other animals, but did you know there are albino plants, too?
From teeth to tailbones, many ancestral remnants are hanging out in our bodies with nothing to do.
Scientists hope to learn more about prehistoric Earth by analyzing samples from asteroid crater.
A student has created a customizable reef system that speeds up reef formation.
The pattern-sharing could be due to both skin cells and fairy circles fighting for resources in the desert.
The collapse of marine life 251 million years ago may serve as a warning for today.
Scientists aren't sure where the methane is coming from, but they suspect it's related to mining.
The 3,000 to 4,000 fish in Teller Lake #5 likely spawned from just 4 or 5 dumped pet goldfish.
Large-scale tree-planting projects, abandoned farmland help balance out rain forest destruction.
Capable of growing to the length of a sperm whale, these bizarre colonial organisms swim via jet propulsion and can glow when touched.
Countries rarely account for greenhouse gases released into the atmosphere due to natural disasters when calculating their annual emissions.
The lack of snow has only worsened California's drought conditions and has resulted in the governor implementing the first-ever statewide mandatory water restrictions.
Glaciers change over centuries and sometimes they change in the blink of a geographical eye.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.