Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
Harmful algal blooms pop up nearly every summer along the nation's coasts, often turning the water an eerie red and creating problems for marine life and humans alike.
From sea to shining sea, the United States is home to some spectacular feats of nature — but can you match the nation's wonders with their home states?
Lauren Arrington's sixth-grade science fair project found that lionfish, an invasive species, are more dangerous to Florida's ecosystems than previously thought.
Here is all the inspiration you need to pack a bag, grab your hiking boots, and get out the door (with your camera).
Using a common technique called grafting, artist Sam Van Aken is developing a tree that bears a variety of different fruits.
Did you know you can be struck by lightning when there isn't a cloud in sight? This and more crazy facts!
In 1997, a cargo ship was hit by a rogue wave off the coast of England, losing a container of nautical-themed Lego kits in the process. Those pieces have been washing up on shore ever since.
Officials have not located the drone that crashed into the Grand Prismatic as they will likely need to do their own aerial searching to find the downed aircraft.
Crevasses within the ice are 'activated' by the surface wave generated by earthquakes, leading to icebergs to break apart.
Not only do these microbes break down oil sludge more than scientists thought, but these hearty lifeforms could also inform our understanding of other worlds.
A stirring video explores smooth, slowly eroded landscapes as 'artwork of monumental proportions.'
While mercury levels are dropping slightly, the metal can build up to toxic levels in animals over time. This can have effects on the food chain, including the seafood humans eat.
While a few of these natural wonders formed as a result of meteors raining down through our atmosphere, many more were skillfully crafted by the volcanic hands of our own Mother Earth.
Catch a glimpse of the cloud-streaked sky over Mt. Rainier through the pine trees.
Conservation photographer Paul Hilton found something truly disturbing during a trek with a team anti-poaching rangers -- but also something truly inspiring.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.