Bill Gates, Mark Zuckerberg and other billionaires have announced a new private coalition to help fund development of nascent sustainable technologies.

Photovoltaic cells convert the sun's energy into electricity — but what if solar energy could instead be converted directly into liquid fuel?

By 2020, onshore wind and solar power are expected to be cheaper sources of new electricity than any fossil fuel.

Advanced methane capture could make a significant dent in U.S. energy demand.

Scientists have discovered a novel new way of using microwaves to turn orange peels and other plant-based waste into plastic.

Plant waste has been seen as a possible source of sustainable biofuels, now modified E. coli would convert plant waste into fatty acids, and then into fuel.

Mayor announced a plan to offer his employees discounts to Weight Watchers.

Scenes from the Little People of America conference in Washington, D.C.

How embracing a serene, rural lifestyle has taught me to use a chainsaw, ride a pickup and get off my blood pressure medication.

Our first fowl emergency was truly a lesson in home healthcare.

Dramatic video shows the moment Jeremy Wade swims up to the 20-foot, 200 pound giant snake.

Hiding under everyone's nose in the most populous city in the U.S.A., a beautiful new frog species has been discovered.

A flamboyant cousin of the fearsome Velociraptor was covered in layers of showy feathers from head to tail.

The surprising discoveries were made by a CSIRO research team conducting routine surveys off the Australian coast.

Fossil reveals plumage patterns of these ancient beasts, further establishing an evolutionary link between dinosaurs and birds.

The surprising find shows just how much there is to learn about the biodiversity of southern Oregon's mountainous region.

Otherworldly caves naturally lit by the eerie gleam of glowworms are a sight to behold.

How this little prince grew into the tyrant king of the dinosaur world.

Nile crocodiles are known for being maneaters, and now they've been accidentally introduced to Florida.

Why are these crocodiles orange? One grotesque theory about their coloration might shock you.

A newly discovered hybrid of aurochs and ice age bison has been affectionately called the 'Higgs bison' due to its elusive nature.

Thousands of people have been walking over the fossil for decades without knowing it.

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

Once the 2011 tsunami rolled back into the ocean, it swept marine life as far away as California.

The unknown species is believed to be a snailfish with 'large wing-like fins and a head resembling a cartoon dog.'

It stretches for at least 85 miles and is likely the keystone source of the region's fisheries.

These invasive species are wreaking havoc on reefs and the fish that live amongst the coral.

You'll feel happier and more productive when you have a short or an active commute on your way to work.

Microsoft Japan gives staff Fridays off — and it pays off for both employees and the company's bottom line.

When vandals took over an abandoned cow tunnel in Portslade in Brighton, the community took it back.

Homeless woman Emily Zamourka became a viral video star after singing in a Los Angeles metro station.

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

The discoveries of two different burial sites in Norway have been facilitated by improved radar technology.

These sweet, inspiring and silly commercials are Super Bowl stars.

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.

National Geographic's Travel Photographer of the Year contest winners show the power of nature, the beauty of cities and the strength of humanity.

In France, 456 hot air balloons floated in a line at the same time during the Mondial Air Ballons festival at an airbase in Chambley-Bussieres.

billy barr spent the last 40 years living alone in a cabin in Gothic, Colorado, and collecting meticulous weather data about temperatures, snowfall and more.

Humans are social eaters, but we're not the only animal in that category. Here are other creatures who would rather eat with a group instead of alone.

Manufacturers don't have to tell you what fragrance chemicals are in the products you use, but those chemicals can cause health issues.

The LA County Fair has held a tablescaping competition since the 1930s, and it's so popular that they have to turn contestants away each year.

Each year during the Ocean Conservancy's International Coastal Cleanup, thousands of people remove trash from local waterways.

Studies show we emit chemicals that communicate emotion, and whether we realize it or not, our brain responds to fear alarms.

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 11 mushrooms and other fungi here are a far cry from the typical white-or-brown palette of criminis and portobellos.

The Global Wildlife Conservation held their first #WildlifePhotoFail contest, where bloopers and blunders aren't just celebrated, they're rewarded.

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.