Become a fan and win these 6 eco-books focused on food and living well.

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula do

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog f

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog fo

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog foo

What does a green dog do? Check out the contestants. Enter your dog now!

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog food. W

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog food. We

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog food. We'

What does a green dog do? Check out the contestants. Enter your dog now!

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog food. We'r

MNN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula dog food. We'r

What does a green dog do? Check out the contestants. Enter your dog now!

What does a green dog do? Check out the contestants. Enter your dog now!

Check out the top entries from MNN's Green Dog of the Year Contest!

Become a fan of MNN on Facebook and be automatically entered to win the entire fabulous line of Martha Stewart Clean natural cleaning products!

Fan MNN on Facebook and you'll be automatically entered to win an organic kit that will help you score green cred before you leave the house in the morning.

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

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

Fans of Mother Nature Network's Facebook page can win a box full of green, limited-edition Ball® canning jars and much more.

Prickly pear margaritas are a delicious introduction to this fierce fruit.

Do you have friends who are always throwing parties? We've got the tools to make them happy.

These Owl's Brew teas are specially crafted for cocktails will make summer cocktails simple to shake up.

The Maple Guild produces organic, non-GMO syrup from the largest sugar bush in the world.

Shake up your holiday drink options with these creamy cocktails that aren't eggnog.

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.

It can be hard to determine how much seafood you can eat safely while meeting your nutritional needs. This online seafood calculator lends a helping hand.

A medium-size solar flare erupted from the sun this weekend, hurling a cloud of plasma and charged particles toward Earth on a cosmic path that is expected to d

The discovery of huge amounts of water ice and possible organic compounds on the heat-blasted planet Mercury suggests that the raw materials necessary for life

A video from a NASA spacecraft studying the sun has captured an unexpected sight.

By analyzing ear wax from a deceased blue whale, scientists gained clues to years of chemical exposure.

Mercury, the smallest planet in our solar system, may hold clues to understanding how the Earth's moon was born.

The surface of Mercury is shrinking faster than previously thought, photos from a NASA spacecraft orbiting the tiny planet reveal.

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

How smart are you when it comes to keeping clean and germ-free? Take our quiz and find out.

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?

Want to delve inside someone's subconscious? Graphology might hold a key.

Before you scoop up your next bowl of ice cream, test your knowledge about everyone's favorite summer treat.

Many breeds have stand-out physical characteristics that make it easy to identify them, but can you name the dog from its ears?

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?

When a painting sells for a jaw-dropping price, it makes headlines. Do you know how much these works of art went for?

They're massive, they're all-natural and, in most cases, they're millions of years older than we are. So how were these amazing landforms created?

Different countries have different dining customs. Do you know how to avoid being offensive at the dinner table, no matter where that table is?

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

The Earth's mountains, rivers, animals and rocks have been around for millions or billions of years. Do you know which ones have been around the longest?

Whether you're crying tears of joy or crying over spilled milk, how much do you really know about the tears rolling down your face?

Lightning is more than just a stunning spectacle. Take our quiz to see how much you really know about this electrifying natural wonder.

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