The demise of megalodon coincided with the loss of a third of the largest marine animal species, scientists say.

Learn about the natural world past and present at these outstanding museums

In A.D. 536, a volcanic eruption sent a thick haze into the air that blocked the sun over Europe, the Middle East and some of Asia for 18 months.

Michael Pollan explains how public health problems in the past made food so cheap it started costing people their health.

BirdCast shows the volume and direction of birds in the U.S.

Two inventors have built a table-sized, automated factory that can quickly manufacture pocket-sized solar panels that last longer and are cheaper than current p

Two Toes, the original wiley coyote of the American West, is on the verge of howling on the silver screen.

NASA lost power on Sunday in California, delaying the launch of the IRIS sun observatory by one day.

Thomas Panek just became the first blind runner to complete the NYC Half Marathon with guide dogs.

How did the Shirley Temple, the grandmother of all non-alcoholic cocktails, come to be?

Lisa Hendy is the first woman to become chief ranger at Great Smoky Mountains National Park.

The business closed in 2013, but ‘zombie stores’ kept the concept alive.

A factory ghost caused 3,000 garment workers to riot in Bangladesh. The workers' behavior is called mass hysteria

Cody Sullivan received a standing ovation when he received his college certificate.

Many beloved matrimonial customs, from bridesmaids to the garter toss, got their start for some pretty disturbing reasons.

Social entrepreneur harnesses the power of stories to help illiterate communities leverage their ingenuity to find solutions to local problems.

People in France have been reporting sightings of bright, hungry predatory worms since 1999.

They may not be as well known as Rachel Carson or Jane Goodall, but they've contributed in profound ways to the environmental movement.

From the earliest efforts at clear-cutting to our continued assault on national lands, we love our forests ... even as we continue to put the squeeze on them.

NRDC founder John H. Adams details the history of the environmental nonprofit -- and the modern environmental movement.

The ACES (aka Waxman-Markey) bill passes the house, but not all environmental groups are rejoicing.

Tour a LEED Platinum certified denim factory. The VDS Group factory in Bangladesh received LEED Platinum certification.

This 60-second video is like watching everyone's lives flash before your eyes.

Filmmaker Mark Kitchell talks to MNN about the need to understand the birth and life of the green movement in the U.S.

Sky City was supposed to be 220 stories and this building was supposed to be 97 stories; but there's more to building than just technical innovation.

Lynn Henning, a country farmer, wins the Goldman Prize for battling a massive factory cattle operation that was polluting once fertile farms in Michigan.

For political purposes, a West Virginia senator is giving the EPA a little breathing room -- for now.

The Mongol invasion scrubbed nearly 700 million tons of carbon from the atmosphere, according to new research.

Watch how this small, but fast-growing, Maine brewery is rolling sustainability into their operational DNA.

With her delicious and healthy products in the store, Mary Waldner shares her rise to success, how she eats at home, and advice to us all in how to enjoy a heal

The Story of Stuff's Annie Leonard takes on a new challenge: Explaining the potential perils of cap and trade.

Grist's David Roberts thinks Annie Leonard doesn't really understand the real Story of Cap & Trade.

A look at Earth Day's history and six things you can do to make the planet better.

More than 170 world leaders signed the Paris Agreement on Earth Day 2016, but that's just the beginning.

This light, spicy, beer is perfect for saying “Cheers” to dad on Father’s Day and enjoying throughout the whole summer.

They may seem like a modern oddity, but arachnid decorations on Christmas trees are actually inspired by an old Ukrainian legend.

At the Cancun climate talks, one art installation dominated the headlines at a turning point in history.

Green-minded travelers will find plenty to love in Santa Fe. It is highly walkable. Local, organic and fresh ingredients are the norm in many of the city's most

Sometimes we take life too seriously. This hilarious comic about one woman's sugar addiction makes me laugh, partly because I can relate.

California joins some hotel chains in banning tiny toiletries.

Video: Assignment Earth explains why residents and government authorities are determined to clean up and revive the Gowanus Canal.

At Urban Village Brewing Company in Philadelphia, the pizza dough is started with yeast captured from the air in Old City.

June 4 is the deadline to get accurate information to the USDA.

California inaugurates the world's largest nuclear fusion reactor proving there's nothing 192 lasers and $3.5 billion can't do.

A hybrid that would be cold-hardy and suitable for outdoor planting may be available for home landscapes in a few years.

The hard material known as cementum in our mouths may record our lives' most intimate details.

Wick Moorman on our history

Conservation group Lion Guardians has helped East Africa’s Masai tribesmen bring back the big cats and better their own lives.

Professional volleyball player Colleen Smith will be traveling greener during her season with the help of biodiesel, a good tent, and a bike custom built by Tre

Facility makes DNA parts for biologists to use in experiments.