The crest-tailed mulgara was once a common sight in New South Wales deserts before other predators edged it out of the habitat.

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.

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.

Sign up for MNN's weekly newsletter for a chance to win a cruise on Oasis of the Seas.

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!

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.

Spruce up your backyard with this must-have bird feeder.

Become a fan and win these 5 environmentally-themed books.

Become a fan and win this wine and cheese picnic basket set with accessories.

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.

What happens when you heat up a Rum Cow? It becomes a soul-warming, winter cocktail.

You don't have to be Irish to try this whiskey-filled classic hot drink.

Toast those you love with this pleasing Prosecco that won’t break your budget.

Designed to drink while binge watching “The Unbreakable Kimmy Schmidt,” this cocktail is a breath of fresh air, just like the heroine of the show.

By finding a way to keep the sugar to a minimum, many traditional cocktails can become low-carb versions of the originals.

What do you get when you merge superfoods and quality spirits? Cocktails for those who want to integrate mindfulness into all parts of their lives.

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.

Honeysuckle and lemon balm foraged from the backyard or your farmers market flavor this vodka cocktail.

Vodka infused with pistachio shells adds nutty savoriness to the kick of a classic mule.

Try this pretty pineapple-orange and vodka cocktail.

Those herbs in your backyard can spice up so much more than just your dinner menu.

Make your sipping simple this holiday weekend with these easy-to-throw-together drinks.

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

Lifestyle blogger Kate Richards opens up about the feathery inspiration behind her boozy masterpieces.

Open up the liquor cabinet, pull out your shaker, and celebrate your hard work with a cocktail.

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

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

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