Three years after the worst environmental disaster in U.S. history, here's a look at how various victims of the Deepwater Horizon oil spill are recuperating.

Human mothers have a relatively long gestation period compared to the rest of the animal kingdom, but a few animal mothers go even further. Here's our list of t

In honor of all the hard-working mothers in the animal kingdom, here's a collection of adorable baby animals being doted on by their moms.

While Mother's Day celebrates human mothers, there are a lot of other moms in the animal kingdom worth a shout-out.

Meet 15 rare animal species whose futures could be determined — for better or worse — in 2015.

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

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

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.

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?

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

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

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

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

Can you spot all of these incognito critters?

A wildlife corridor in Brazil's Atlantic Forest will help animals like the golden lion tamarin thrive in its preferred environment.

Synthetic, made-in-China teddy bears? Who needs 'em when there are reclaimed wool frogs, organic cotton polar bears and plush nontoxic lions just wanting for a

Studying odd couple animal friendships can help researchers learn what goes into normal human relationships.

Animals at Australia's Mogo Zoo were saved from wildfires by savvy staff.

Humane Society International is building temporary wildlife shelters for animals affected by the Australian bushfires on Kangaroo Island.

75 percent of all emerging infectious diseases are zoonotic, meaning they originated in animals. Here are 10 to be aware of and which animals carry them.

Most wildlife adds value to nature, but it's often hard for humans to quantify. Thanks to eco-tourism, though, some species are becoming undeniable gold mines.

In the field or in front of the camera, these amazing animal conservationists have dedicated their lives towards protecting the Earth and its creatures.

Comic artist Rob Lang gives animals a way to speak their piece with "Underdone Comics.'

When you share a rescue organization's posts or comment on them, it may not always be what's best for the shelter.

Stunning 3-D videos capture the drama of life on a subcellular level.

Scientists in Singapore have concocted a drug cocktail that can extend an animal's lifespan twofold.

Animals use the same wait-your-turn system that most humans do, say scientists who reviewed a series of animal studies.

Urban noise — and AC/DC — may be wreaking havoc on ecosystems.

Scientists complete the first-ever genome sequence of the deepest-living animal on Earth.

When people see animals everywhere in pop culture, they assume they're everywhere in real life.

Vanessa has a beef with meat, again.

Lynn Henning, a country farmer, wins the Goldman Prize for battling a massive factory cattle operation that was polluting once fertile farms in Michigan.

Pink slime is said to recover 10 to 12 pounds of edible lean beef from every animal and save another 1.5 million animals from slaughter, but does that diminish

Former 'Daily Show' host and family reportedly have purchased a 45-acre farm near their current operation in New Jersey.

The 45-acre addition will allow the Stewarts to host tours, educational programs and offer refuge for abused and abandoned farm animals.

Animal advocate Tracey Stewart worked with the Farm Sanctuary Emergency Rescue Team to re-home the abandoned animals.

Hollywood legend Doris Day was an actress, singer and animal welfare activist.

Humans seem to be causing 'a radical shift in the living architecture of the planet,' researchers say.

Researchers in Australia strap cameras on feral cats to track their kills.

From hoarding and scattering nuts to making jerky and taking prisoners, animals use some wild tactics to stay well-fed in winter.

Did you know that 80 percent of the known terrestrial plant and animal species are found in forests?

Hollywood icon Betty White discusses her passion for animals and her book, "My Life at the Zoo."

Learn the tracks of animal species that live right next door, starting with these common neighbors.

The Australian bilby is becoming more popular, and they may just take over as the country's animal representative for Easter.

We label a lot of species with the shiver-inducing denizen of the night, even if they don't suck blood.

The barrage of Darwin Award-worthy and just plain cruel animal selfie photos in the news is our cue for a reality check.

Sea otters hold hands so they don't float away during naps, and baby dolphins don't sleep at all for the first months of life.

For Father's Day, we celebrate animals that buck the deadbeat dad idea.

Don't miss the best original stories of the week from Mother Nature Network.

Artist Amy Guidry uses dreamlike and unusual images to make a statement about the relationship between humans and the world.