Mankind does some weird things to save animals from extinction.

Researchers have launched a mission to find the Javan fishing cat, the rarest cat in the world.

Endemic species run a higher risk of extinction because of their geographic isolation.

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.

This video is a good warning of the future of wildlife if populations continue to decline as Living Planet assessment reports.

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

Some of these massive beasts are familiar in form but enormous in size, while others are strange hybrids of modern-day animals.

New study from Australia suggests resurrection of extinct species could lead to a loss in overall biodiversity.

Here are the world's rarest animals, the loneliest creatures on Earth: 8 species with fewer than 10 confirmed individuals left alive.

The sun, like many stars, may be a binary, meaning it could have a mass-extinction-causing 'brother.'

The Jambato harlequin frog had been feared extinct for at least the last 30 years.

At least five similar die-offs have happened before, but this is the first in human history — and the first with human help.

Even core areas of pika habitat 'are vulnerable to climate change within a timeframe of decades,' researchers say.

The giant bug, Lord Howe Island stick insect, was rediscovered in the early 2000s, and now scientists have confirmed it's in fact them.

Vaderlimulus tricki is the first horseshoe crab found in Idaho rocks of the Triassic Period, and it has an uncanny resemblance to Darth Vader.

Ancient 5-foot 7 penguin weighed at least 220 pounds and speared fish with its sizable beak.

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

Scientists identified the cause of the mystery die-off, as half of the species' population perished within a matter of weeks in 2015.

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

This is the first photograph ever taken of the bizarre and mysterious species, Thismia neptunis.

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.

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 study the genetic secrets of the world's last Pinta Island tortoise.

If humans are still around millions or billions of years from now, they'll have to deal with supervolcanoes, asteroids and worse.

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

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

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

Zest up your holiday feast with these must-have sauces and spices.

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

Take the quiz to win 4 tickets and VIP access to one of the band's end-of-the-year shows in Atlanta.

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

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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!

There were so many adorable puppies entered in the Green Dog of the Year Contest, that we couldn't resist! Here's a gallery of 10 green puppies.