Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
As waves roll into shore, the edges are often foamy -- sometimes so much so that foam blows off the water and down the beach. Here's why it happens.
Divers scoured remote Pacific atolls to collect the garbage, some of which had entangled sea turtles.
The bright blue contrasts beautifully with the red rocks over which the waters tumble. Here's how it gets that hue.
It sounds like a dangerous idea, but by thawing out ancient viruses scientists hope to learn more about their evolution.
In addition to the rapidly flowing lava, methane explosions have been observed as pockets of trapped gas from decomposing plants come in contact with the lava.
It's no secret that spending time in nature has immense health benefits. Learn more about shinrin-yoku, which means 'forest bathing' in Japanese.
For many residents of Los Angeles County, the new San Gabriel National Monument may be the only easily accessible open space even remotely close to home.
University of Michigan officials discover the complicated answer as they relocate a 250-year-old bur oak.
Ice and water and dissolved the book's binding, so researched made digital copies of the pages and then created a new binding for the diary.
New film documents the environmental and personal damage caused by the 2010 disaster.
Researchers found hundreds of ancient tools, including spear points and axes, along with a range of animal bones in what may've been an open-air workshop.
Most likely you're starting to see hay bales and pumpkins popping up right and left as we celebrate the most iconic aspects of the autumn season.
Whether you're planning to camp overnight or hike for only a few hours, make sure you're prepared before you hit the trail.
National Geographic magazine is known for its stunning, out-of-this-world photography, so it's no wonder that its photographers dominated one of the world's most prestigious photography competitions.
The new study has led state officials to revise evacuation maps for some Hawaiian residents.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.