Learn about Earth's biodiversity and natural resources. Plus: Explore national parks and state wilderness areas.
The gaping 260-foot-wide hole was spotted in an area of Siberia known as 'the end of the world.'
Patterns show the influence of nature and cultural history, such as farm towns gridded west of Minneapolis, or how cities like Berlin spread out like sea stars.
In California, overwatering your lawn isn't just an objectionable act ... it's a criminal one.
Sharks? Snakes? Bears? Which animal do you think is deadliest to humans? It's not what you think.
Here is one amazing way to soak up the beauty of a sunset.
Firehole Lake Drive, the road that saw some melting, hit 160 degrees Fahrenheit, 30 or 40 degrees hotter than its normal temperature.
The algal blooms occur fertilizer runoff feeds the runaway growth of cyanobacteria. This algae sucks up oxygen and can emit toxins that injure humans and animals.
Henry David Thoreau's beloved slice of exquisite nature still exists today in the form of a Walden Pond State Reservation.
Researchers studied ice cores from Antarctica to determine the impact eruptions at the time had on the Earth's atmosphere.
Cumberland Island is a must-see destination, in no small part because of the spectacular sunsets.
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.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.