An analysis of dozens of pyroclastic ash deposits suggests that Mercury had an long history explosive volcanism.

This devilishly difficult quiz will separate the auto experts from the pretenders.

From paws and hooves to claws and talons, a variety of animal feet walk upon the Earth. Can you recognize the animal based on its foot alone?

Can you live without your morning coffee or afternoon soda? See how savvy you are about your daily buzz.

Take the tail end of a hint and see if you know the answer!

Our feline friends come in many colors and coat patterns, each with a name. How many do you know?

If you find yourself glued to the TV when the Academy Awards roll around each year, this quiz might be your chance to shine.

There's no confusing a giraffe baby with any other creature. But some animal infants don't always resemble their parents.

Not all penguins make their home in icy Antarctica. See if you know where in the world to find these penguin species.

See if you know the difference between a bedbug, a beetle and these other creepy-crawlies.

Step aside, retrievers and beagles, and let these rare dogs trot into the spotlight. From Pulis to Leonbergers, how much do you know about these breeds?

We use calendars to keep track of our days, our weeks and our years. But how much do we really know about them?

A lot of faulty survival information gets passed around. Can you sort out which actions will save you, and which might kill you?

If fracking techniques pollute water supplies, what will happen to beer production?

Toyota, Nissan, Honda and Mitsubishi are working together to dramatically expand the number of public chargers available in Japan.

Thousands of pounds of moldy cardigans and unsellable denim shorts are being burned in lieu of oil and coal at Västerås near Stockholm.

The endangered African wild dog has a nose for democracy, according to a study, which explains how the dogs "vote."

Can you spot all of these incognito critters?

Wildlife biologist Steve Barlow has invented a nest box that can be added to utility right-of-way markers across the U.S. and Canada.

The Bramble Cay melomys lost most of its habitat to rising sea levels.

Thanks to the 24-hour news cycle and social media, it's impossible to tune out these politically turbulent times. Here's how to tune in and stay sane.

'Hackergate' — a desperate attempt by climate skeptics to revive the manufactured 'Climategate' scandal in advance of U.N. climate conference — will backfir

The release, quickly dubbed "Climategate 2.0" after the initial 2009 "Climategate" hacking, drew strong condemnation from scientists involved in the emails, as

Authentic sounds of the wild can now be downloaded for free to your iPhone. Assign your friends their own unique howl, hoot or roar.

Who needs nature when you can have virtual reality windows that simulate any setting with the flick of an iPhone app?

Electronic waste recycling firm CloudBlue is now an e-Stewards Certified facility.

Soil is drying up all over the world, Google is dropping big bucks building a wind power transmission line, and a spider and centipede battle it out.

The ultrathin New Apple MacBook laptop has been called one of the "least repairable, least recyclable" computers on the market. Sustainability was not included

Casio shows off realistic animated messages at Consumer Electronics Show

Innovative technology enables electronic devices to function in contact with body tissues.

Anyone in the U.S. can buy Google Glass starting at 9 a.m. ET on April 15 through the Explorer program – but spaces are limited.

Experts aren't sure why so many Canadian lynx are turning up in Thunder Bay.

The longing you feel to get away is ancient, says writer Clemens Arvay, a desire to interact with nature and leave behind the material world.

In tens of millions of years, Africa will lose a sizable chunk of its eastern coast.

An Armillaria gallica mushroom found in Michigan's Upper Peninsula is growing fast, and the secret to its phenomenal growth might hold the cure to cancer.

A team of veterinarians use tilapia skin as a healing bandage on their paws.

With the right equipment and preparation, it can be worth the hard work of venturing into the wilderness in winter.

Alaska professor discusses why the Arctic National Wildlife Refuge should not be opened for oil drilling.

Hundreds of hikers battle altitude sickness and frostbite as they wait in line to summit Mount Everest.

Video: Join Farmer D as he checks out the farmer's market in Savannah, GA.

How does an all organic vodka hold up at a neighborhood cookout?

Columnist Matt Hickman offers advice on how to get a crunchy-granola, green husband to wear underwear.

Chanie Kirschner helps an expectant mom focus on the things she can control.

Organic botanicals make the difference with Bluecoat Gin. This American Dry Gin, distilled in Philadelphia, is the main ingredient in our food blogger’s Satur

The granola guru John Mackey has a new book and is once again making waves with his outspoken views.

Did you know you could be polluting the air in your house by burning candles? Learn more here.

'From dirt to shirt in less than 700 miles.' There aren't many T-shirt makers who can make that claim.

Organic food is becoming more widely available. But how organic is it when it's grown elsewhere?

A guild of artisans is preserving traditional weaving methods in a region of Peru overshadowed by the ruins of Machu Picchu.

'Broken heart syndrome' is typically linked to stress or grief, but it may be caused by happy events or even cancer.