Invasive insects and diseases can hitch a ride on firewood — with devastating effects on local ecosystems.

Formed hundreds of millions of years ago, the sacred site is now closed to climbers.

Boyan Slat's plastic cleanup system successfully collects plastic in the Great Pacific Garbage Patch and has started picking up trash in rivers, too.

A dozen active major wildfires are burning in California, including the Getty and Kinkade fires, causing widespread evacuations.

Guest blogger Darci Palmquist of U.S. Fish & Wildlife explains the power of nature-based solutions in the aftermath of a massive hurricane.

Amateur enthusiasts have uncovered some spectacular finds, including the Staffordshire Hoard and the Boot of Cortez.

A century-old iron ship called 'Niagara scow' has moved 150 feet closer to the edge of Niagara Falls

Ex-soldiers are joining the fight to save rhinos against poachers in S. Africa and beating back their own personal demons at the same time.

Lichens are not what you think they are. Not plant, not fungus — they are one of a kind.

Mussels, birds, turtles: these creatures, and more, are living at national fish hatcheries across the nation, courtesy of the U.S. Fish and Wildlife Service.

Winner of international James Dyson Award invents marine bioplastic made of algae and fish parts.

Climate change is forcing tropical fish to migrate, and they threaten to mow down their new terrain.

Want a real Christmas tree this season? Expect fewer options and higher prices.

A descendant of the Newton Tree lives a private, unassuming life in California.

'America's Forest' with host Chuck Leavell of The Rolling Stones explains how forests can help climate change, the economy and so much more.

Roughly 14,000 acres along the Savannah River will forever remain undeveloped, thanks to this conservation team work.

Researchers are exploring 386-million-year old fossilized tree roots in the Catskills region of New York.

Part cultural icon and part invasive nuisance, tumbleweeds have an intriguing and tangled history.

The well-known mountain straddling Switzerland and Italy has its fair share of intrigue.

The bloom will only last for about one week before wilting.

Researchers unveil the most detailed map of what's underneath the Antarctic ice sheet, and it will help them predict climate change vulnerability there.

It's so deep there could be species lurking in its depths that we've never seen before.

These are the fee-free days for national parks, wildlife refuges, national forests and more protected wilderness areas for 2020.

The ginkgo biloba is unlikely to ever die of old age, researchers say.

Rescuers scrambled to save 90-million-year-old Wollemi pines from encroaching fire in Australia.

The Kanter family's plans to drill for oil in the Everglades raised concerns about environmental and health risks, so the state stepped in.

Tom Poland and Robert Clark traveled over 30,000 miles in three states documenting the phenomenon known as Carolina bays, the topic of their new book.

The Trump administration is changing how the government defines water, and new rules will have significant effects on wildlife and water quality.

Despite protests and bans across the globe, much more plastic is on the horizon because oil companies need a new reason for being.

The rare and stunningly beautiful phenomenon of Yosemite's firefall at Horsetail Falls only occurs during a two-week window in February.

International Landscape Photographer of the Year contest highlights winning images of everything from ice to forests.

Scientists watch closely and find evidence that sand dunes are coordinating their movements in ways we never knew before.

Scientists have discovered a fossilized shark head and many other fossils in Mammoth Cave National Park in Kentucky.

Harvesters scale tall cliffs to collect this rare honey from Himalayan giant honeybees.

The areas were part of national monuments in Utah that were dramatically shrunk in 2017.

Knowing how to act before, during and after a flood is a matter of survival. Use these tips to learn how to protect yourself.

A new tyrannosaur species of dinosaur called Thanatotheristes degrootorum or 'Reaper of Death' in Greek was discovered in Alberta.

See how the machines are making work safer at one Georgia-Pacific plant in Crossett, Ark.

Over 30 years, Iran's Lake Urmia has shrunk by 80% due to drought and water overuse, but there's hope the lake is starting to rise again.

Underwater Photographer of the Year winners include a smiling dolphin and octopus with a soccer ball.

Balloons may be colorful and cheery, but they're lousy for wildlife.

Give women entrepreneurs the recognition they deserve by showing your support for the female business community.

Learn how much toilet paper you'll need for a family of 2 or 4 if you have to be homebound for an extended period of time.

Ecuador has become the first to build a "quiet park," a lush stretch of land straddling the Zabalo River where silence is protected.

You don’t have to sacrifice family fun, entertainment and productivity to comply with current social-distancing and stay-at-home guidelines.

A major new review calls for urgent action to restore our ailing oceans.

t’s recycling and crafting in one! Keep the youngsters entertained and engaged with these crafty tips from Georgia-Pacific.

A gorgeous 1,000-year-old cherry tree blooms in Japan without any adoring fans to see it.

Silent lawn mowers in the United Kingdom may spell a summer bonanza for bees.

On the 50th anniversary of Earth Day, the planet and a pandemic are showing us what's possible.