The Caribbean nation of Haiti was once lush with trees and the animals that lived there, but now only a few sections of primary forest remain.

Researchers discovered a Chelonoidis phantasticus giant tortoise on Fernandina Island. The last time this tortoise was seen was 1906.

Humans have driven almost 600 plant species extinct since 1750s and that number is likely much higher.

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.

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.

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 d

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!

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

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

Get past your initial skepticism and try adding a little kale juice to your gin.

For the holiday weekend, and all summer long, try this easy trick for making a lot of large ice balls at one time.

Ohio’s first legal moonshine distillery makes its home in a town with a fascinating bootlegging past.

Try this pretty pineapple-orange and vodka cocktail.

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

Low-calorie cocktails abound, even if they're not labeled as such. The key is knowing the amount of alcohol and sugar in what you're drinking.

Nonalcoholic cocktail drinkers deserve balanced drinks, beautiful glassware and the ritual of drinking a cocktail, too.

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

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.

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

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

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

The dream of a space-faring humanity is deep-rooted.

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

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?

There's a whole medicine chest in the garden. Do you know which plants to use for what ailments? Test your holistic herb wits here.

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

How well-versed are you with our planet's fascinating geology? Test your knowledge and find out.

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

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

Animals use their senses to detect other animals, communicate and do some wild things. Can you identify the super senses of these animals?

These unusual creatures are stunningly beautiful and surprisingly important to life on Earth. Show us what you know!

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

Test your knowledge of all things autumnal.

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

National Park and Earth Week are right around the corner — see how much you know about our nation's protected areas.

From the cheetah to the hare, so many creatures are wickedly quick. Test your trivia smarts on what makes them so swift.

Think you know everything about that special day of scary movies and sugar highs? Test your Halloween smarts ... if you dare.