After seeing yet another school shooting play out, Clare Schexnyder realized she couldn't sit back and do nothing.

A sick hen led photographer Janet Holmes to a group of people who live with chickens as equals. She decided to document those relationships.

Newborn coyotes whose mother disappeared are saved by a wildlife rehabilitator and are singing like angels.

This technology could help Thailand's stray dog population go from zeroes to heroes.

A dog named Tigger who couldn't stop trembling when he first came to the shelter now can't stop kissing his rescuers.

This rescue group is shining a light the countless animals who spend their lives in labs.

The Sip of Hope coffeehouse in Chicago's Logan Square supports mental health initiatives, including suicide prevention.

An anti-plastic campaign directed at the Britain's most beloved crisp company is leading to changes in packaging and recycling.

Pat Smith, 70, successfully completed a New Year's resolution to visit and help clean 52 beaches in 2018.

An online petition is calling on toothpaste manufacturers to drop cardboard box packaging.

The haka is a traditional Maori routine performed at many ceremonies in New Zealand. Here, two groups respond to the terrorist attack on 2 New Zealand mosques.

WildArk created the Tuke Rainforest Conservancy to protect the people and biodiversity of the area.

Mimi Ausland began as an advocate for animals with her interactive quiz website that donates food to shelters. Now, she's tackling plastic waste in the ocean.

Weather has grounded the Solar Impulse 2's trip across the Pacific Ocean, but when its pilots embark on the flight, they'll use meditation to stay alert.

Simba, a French bulldog, arrives safely after a quick-thinking landing.

What's next? A peanut farm at Dallas/Fort Worth?

Women captains, co-pilots, navigators, air-traffic controllers and crew are slowly becoming a more common sight.

The Virgin Galactic founder envisions a near-future where space travel is as easy (and luxurious) as first-class air travel.

Phoenix cancelled flights because due to high temperatures. When it's too hot, the air's density is lower, and that reduces lift.

Air travel could continue to get cheaper but it could also get a lot less comfortable, as seat sizes shrink and the differences between classes gets wider.

If you prefer a window, does that mean that you're more selfish?

Photographer Michael Marston captures airplane's rainbow trail in pictures and video.

This map helps you find the antipodes (the other side of the world) of any place on Earth.

Grandma's chicken soup has got nothing on these miraculous broths.

A wave in the Pacific Ocean off the coast of Cape Mendocino is one of the tallest waves ever recorded.

The artifact was probably dropped by conquistadors as they fled from the city.

Researchers think they may have clues after looking at 60 impressions of sauropod tracks.

Wildlife Photographer of the Year winning images capture rarely seen animal behavior.

Blue tits and great tits keep an eye on how their bird friends react to certain foods.

New research about relationships backs up this age-old adage.

There are smart, innovative alternatives to incinerating and landfilling apparel.

Scientists at the Peninsula Open Space Trust are studying how animals move around an increasingly fractured habitat, and the video is just one element.

The economic cost of doing nothing to reduce greenhouse gases is higher than fighting the problem, study finds.

Data can help us understand some of the many ways the human body reacts to this virus and the next one.

Fast-spreading algae has spread quickly along crucial New York waterways that provide drinking water.

A pesky species of algae is infiltrating parts of eastern Canada due to global warming

It's that time of year again! The 2016 National Geographic Nature Photographer of the Year competition is officially underway.

What you experience in autumn is hard to express in words — but that hasn't stopped writers and thinkers around the world from trying.

Award-winning photographer Tim Laman explores the imperiled lives and lost culture of orangutans in Borneo and Sumatra.

Thanks to advances in wetsuit technology, surfing is becoming increasingly popular in frigid destinations like Norway and Alaska.

Old newspapers gain new life as evocative sculptures that tell a story about the relationship between humans and animals.

While not practical for everyday wear, these 'fat plant' manicures from Roz Borg of Arozona Living are sure to spark a conversation.

Dutch photographer Loes Heerink highlights the colorful diversity of Vietnam's bicycle-riding fruit sellers.

Wild animals and beloved pets take the subtle art of photobombing to the next level.

Due to their seemingly ever-smiling demeanor, these small marsupials are the perfect selfie buddies.

A new study brings up an old argument about that weird definition of a planet.

A spooky face emerges from the sun's corona in this image captured by NASA's Solar Dynamics Observatory.

These intricate, one-of-a-kind ice crystals form when precipitation falls through varying levels of humidity and temperatures in the air.

It's easy work to extract all the nutrients from the bones in a slow cooker, especially if you use one important ingredient.

It's time to get creative with this root vegetable, by making carotene butter, carrot ginger sauce and more.