The now-extinct pouwa was a semi-flightless swan that was closely related to the Australian black swan of modern times.

Zoom in on this supposed image of sheep on a hillside and you'll be in for quite the surprise.

Many public library systems are eliminating late fees on materials because they see them as a form of social inequity.

REI is leading the way with #OptOutside, but other major brands are following their example on Black Friday.

Russian postwoman walks 25 miles to deliver mail and she's been doing it for half a century.

Harvard's Music Lab has spent five years compiling a large database of thousands of songs from all over the world — with some striking similarities.

Vault lights in the sidewalks were useful ways to light the rooms down below.

Cumberland Caverns Live is a concert venue in Tennessee located in a cave 333 feet underground.

Swarms of jellyfish are clogging water intakes at power plants around the world, and a new study explains why jellyfish populations are on the rise.

From virgin lands that scientists want to study without human interference to super-secret military bases, you'll never go to any of these amazing places.

In the 1930s, the National Park Service created master plans for each U.S. national park that showed and explained the vision for development of each park.

New England's fall foliage wasn't always so colorful. Today's gorgeous scenery is the result of one of history's deadliest hurricanes.

The eerie hue was caused by the collision of two occurrences: fires in southern Europe and winds from Hurricane Ophelia.

A spectacular scene unfolds every year in Chiang Mai, Thailand, when thousands of candle-lit paper lanterns are released into the sky and Ping River.

The winners of Nikon's 43rd annual Small World Photomicrography Competition will make you wish you paid more attention in science class.

The 2017 Comedy Wildlife Photography Awards winners have been announced, and this year's crop doesn't disappoint in the humor department.

Cocoa trees are under attack, and demand is skyrocketing worldwide. What this means for chocoholics now and in the future.

Nearly 7,000 languages are spoken around the world, and one of them dies every two weeks. Here are some that could disappear in our lifetimes.

Sweden has a floating library — the bokbåten — that brings thousands of books to people on dozens of remote islands in the Stockholm archipelago twice a year.

Sand dollars are echinoids that live on the ocean floor. You may enjoy collecting their shells, but how much do you really know about these quiet creatures?

Researchers have a new way of figuring out your dog's age in people years, and it doesn't involve multiplying by 7.

Video from Dhaka, Bangladesh shows a young man climbing out to rescue a kitty stuck in a window.

Max and Neo sends donation boxes to thousands of rescue groups every year.

You might hibernate when it snows, but your dog loves playing in a winter wonderland.

A hungry, stray dog nicknamed 'Subway Sally' is already an employee favorite at a New Mexico restaurant, but now she's a social media star, too.

Wolf puppies pick up on human cues and can catch and return balls.

Businesses help homeless dogs get adopted through beer cans and pizza boxes.

Greenland's ice sheet is melting so fast it lost 11 billion tons of ice in just a day.

In 850 A.D., those gathered around a glacial lake perished from one of nature's most deadly phenomena. Or so we thought. New evidence deepens the mystery.

While parts of the country were still sweltering, the West was hit by a weekend snowfall.

Record-setting blizzard called Winter Storm Aubrey is expected to hit the midsection of the U.S., from Colorado to Minnesota.

The Royal Meteorological Society, in association with WeatherPro, announces the winners of the 2019 Weather Photographer of the Year competition.

As much as two-thirds of the U.S could be plunged into record-breaking cold, but autumn isn't done yet.

NASA's video shows drastic amounts of arctic ice disappearing over the last 25 years.

A snowstorm in Sedona, Arizona, turned the place known for its red rocks into a winter wonderland.

Cambridge researchers studying the event say the waterfall in Greenland measured roughly 1,000 meters tall.

A new time-lapse video shows Earth's glaciers in Alaska and the Yukon melting at an accelerated pace.

The fast-melting Thwaites Glacier won't be able to hold back a massive flood of ice water.

Freezing winds from Lake Erie turned houses into ice after two days of gale-force winds.

A highlight of the landscape in Ecuador's Cayambe Coca Park, the San Rafael waterfall is now little more than a trickle.

Show off your green thumb — or just your love for nature — with these plant-centric pieces of jewelry.

Researchers at University College London find only 4 genes determine each nose shape.

The balayage hair color technique creates softer highlights with fewer color appointments.

Skip the expensive, chemical-laden skincare products. These 3 homemade peel-off blackhead removal masks will have your skin feeling clear and smooth in no time.

When a PR specialist realized there were no flat shoes for women represented by emojis, she decided to do something about it.

Proceeds from the sale of the limited-edition 'Save Our Species' polos benefit the International Union for Conservation of Nature.

This plastic-free solution for shampoo, conditioner and more from Nohbo could be the solution.

Buying quality garments saves you money and can save the planet.

balancing power solutions

Dell's 'Plant a Tree for Me' Program Offsets Your Carbon Footprint