From your heart to your head, here's why you should lace up your sneakers and walk.

Researchers looked at walkers and runners with bent and straight arms to find out.

These half-dozen exercises will help you shed pounds if obesity is in your genes.

Can a vacuum suck up China's smog? Daan Roosegaarde will test his new technology soon in Beijing's parks.

Tokyo, which cleaned up its act in the 1970s, is a role model as the Chinese capital starts to address some of the world's worst air pollution.

Chilean soccer fans are urged do the unthinkable and kindly step away from their grills due to worsening air quality levels in Santiago.

China's most polluted cities have made strides in reducing air pollution, but there's still work to be done.

Five of the best 7 months for Beijing air quality have occurred since last summer.

Biologists map Earth's mammal diversity in a parallel universe without human civilization.

Just like 'Jurassic Park,' except with flowers instead of dinosaurs.

Seven species of Hawaiian pollinators are the first bees added to the U.S. endangered species list — but they're unlikely to be the last.

The discovery offers new insights about dinosaur plumage, hinting at a 'chestnut brown' creature that couldn't fly.

The U.S. Fish and Wildlife Service declared the eastern cougar extinct after it not being seen for over 80 years.

Can lost species ever become un-extinct? Many scientists believe it's only a matter of time before many extinct animals again walk the Earth through cloning.

BirdLife International has confirmed the extinction of eight bird species, including the Spix' macaw in Brazil.

Researchers extract nuclei from a preserved woolly mammoth carcass, implant them into the egg cells of mice, and watch as the bits became animated.

Mother Nature Network is giving away some of our favorite green books to keep you busy by your favorite low-carbon fireplace this winter.

One of our lucky Facebook followers will have an organic backyard food garden created at their home by professionals.

Become a Pinterest fan, repin from our back-to-school board and you could win an iPad and green books.

Become a Facebook fan and win these 7 environmentally-themed titles.

Local rum, strawberries and honey go into this classic frozen cocktail.

Try this pretty pineapple-orange and vodka cocktail.

For the Fourth of July, try this cocktail made with an American bourbon and blueberries.

You make jam in the summer, but you can enjoy it year-round when you make this tasty drink.

If you’re gluten-free or just avoiding the dreaded beer belly, consider trying these lighter, lesser-known alternatives to beer instead.

Stocktails are simply savory cocktails made with broth, and we talk to an expert about why they're such a hit.

Break out the whisky and the haggis for this celebration of Scotland's national poet, Robert Burns.

Add variety to your football-viewing drink choices with these beer cocktails.

Session cocktails and plant-based barbecue are the biggest food trends this summer.

Stealing bar glasses to keep as a souvenir goes way back and plays a key role in the mint julep, Kentucky Derby relationship.

The oddball asteroid Lutetia is a rocky remnant of the material that formed Earth, Venus and Mercury about 4.5 billion years ago, a new study suggests.

There are many reasons to cast your eyes skyward this month.

A NASA spacecraft slammed into the surface of Mercury on Thursday, April 30, bringing a groundbreaking mission to a dramatic end.

Test your knowledge of the wild world of animal mating.

You go to the beach to relax and soak up the sun. But how much do you really know about the waves and the sand?

Due to history or legend, most countries are known for contributing something specific to the world. How many do you know?

You say 'please' and 'thank you' and don't talk with food in your mouth, but how much do you know about minding your manners?

Life across the globe depends on bees, butterflies, birds, bats and other pollinators. Test your knowledge about these vital creatures.

Nobel by the numbers: How much do you know about the history of the Nobel Prize? Take the quiz.

It's time for some healthy change. Here are some fundamental truths you need to know about diet, exercise and other wellness goals.

Sure herbs and spices taste wonderful, but do you know what benefits they provide to your body?

When the going gets tough, some animals get going — to bed. Take our hibernation quiz to see how much you know.

New website pulls together a wealth of information on renewable energy and tracks green stimulus spending.

When the Winter Olympics wrap up, Vancouver will be passing more than one torch. The city could light the way for green cities of the future by proving economic

A study from the Civil Society Institute reveals that party lines divide many people's feelings about global warming, energy independence and green jobs. Here a

Web site and mobile app help you find the lowest gas prices in your area.

Rich natural gas deposits off the shore of Israel can meet the country's energy needs well into the next century, provided it can be extracted economically.

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

El Hierro, the smallest of the Canary Islands, is becoming energy self-sufficient by relying solely on wind turbines and hydroelectricity.

The Museum of London will showcase part of a 143-ton chunk of fat, diapers and baby wipes that was removed from the city's sewers.