The Great Green Wall is rooted in Africa's Sahel region on the southern border of the Sahara. Once completed, it will be the largest living structure on Earth.

'Magic' indeed: Many edible varieties of mushrooms are packed with vitamins, can boost your immunity, lower inflammation and help prevent cancer.

Screaming is primal. Whether it’s pain, horror or a baby's cry, a scream demands attention. Why do we scream, and why does the sound of one make us react?

Like, why are there so many left-handed athletes, and how come they're so good at math?

Sand dollars are echinoids that live on the ocean floor. You may enjoy collecting their shells, but how much do you really know about these quiet creatures?

Gray hair may indicate more than our biological age: It could signal one of these health issues, including heart disease or vitamin deficiency.

Under Vet Friends Foundation, military veterans adopt senior dogs looking for homes, creating beautiful new relationships.

Puppies are born blind and mostly deaf, so they rely on you to meet all of their needs. From feeding to warmth, here's how to care for a newborn puppy.

So many animals don't have homes. Can you open up your home to one homeless animal, just for the holidays?

Belinda Richards captures pet personalities and turns them into art.

Video from Dhaka, Bangladesh shows a young man climbing out to rescue a kitty stuck in a window.

If your favorite sport involves dog competitors, you are in for a treat on Thanksgiving Day when perfectly coiffed pooches representing 187 breeds and varieties

Injured military K-9 from ISIS raid visits the White House.

The football player who served time for dogfighting has spent years advocating for animals, but not everyone thinks he's changed.

Kindergarten class in Michigan joins their 5-year-old classmate in court for his official adoption.

Some animal advocates say don't give pets as gifts, but research shows it's not always a bad idea.

A UPS driver thought he saw something in the snow. Turns out it was a tiny, white puppy that had been abandoned.

Boy asks his friends to celebrate his birthday by volunteering at an animal shelter.

John and Charlotte Henderson are celebrating their 80th wedding anniversary this month at a nursing home in Texas.

A woman taught her dogs how to sing 'Happy Birthday' so they could help serenade her mother on her big day.

A cat rescued in North Carolina went viral because of her resemblance to Baby Yoda from 'The Mandalorian,' but there has been a strange turn of events.

A hungry, stray dog nicknamed 'Subway Sally' is already an employee favorite at a New Mexico restaurant, but now she's a social media star, too.

A husky turned in by a breeder for her 'weird' eyes is adopted after a rescue group shares her story.

Some states have ditched the art of cursive writing so the teaching time can be used for other subjects, but it's making a comeback.

Canine blood banks provide a life-saving resource to man's best friend, but there has been controversy about some operations.

Kansas City defensive tackle Derrick Nnadi celebrates team's Super Bowl win by paying adoption fees for pets at local shelter.

The Azawakh is a sight hound from West Africa that is newly recognized by the American Kennel Club.

You might be surprised by what the Best In Show winner is served for lunch.

This pesticide used in farming is linked to health issues in children.

A tiny poodle named Porschia not only escaped a hawk's clutches, but made it back home again.

The coronavirus outbreak is affecting China's dogs and cats, which are increasingly being left to fend for themselves.

After years in decline, drive-ins are prospering amid the coronavirus pandemic.

Greenland's ice sheet is melting so fast it lost 11 billion tons of ice in just a day.

The devastating banana fungus Foc has spread to new parts of the globe.

In the U.K., magnetic north and true north are about to be in perfect alignment.

People in the Bahamas are in need of food, water and other emergency supplies after Hurricane Dorian.

Research project BirdCast tracks how hurricanes modify birds' migrations over the Atlantic.

Lightning "superbolts" are most common in winter and hit most frequently over water.

If you've ever wondered what hamsters and the French Revolution have to do with the first day of fall, we've got the answers.

While parts of the country were still sweltering, the West was hit by a weekend snowfall.

30 of the world's largest cities have reduced greenhouse gas emissions.

The 2019-2020 winter forecast will likely be milder-than-average, says NOAA, disagreeing with the almanacs' forecasts.

As much as two-thirds of the U.S could be plunged into record-breaking cold, but autumn isn't done yet.

Cambridge researchers studying the event say the waterfall in Greenland measured roughly 1,000 meters tall.

Teenager Greta Thunberg wins Time's 2019 Person of the Year award for her work as a climate activist.

A photographer in Montana filmed bubbles freezing in winter weather, and they resemble snow globes.

Vikings endured a cold-weather catastrophe and may have left a warning on the Rök stone.

A bombogenesis or bomb cyclone is used to describe a nasty storm that rapidly intensifies. Here's what one looks like.

Video shows a dragon made of snow with fireworks coming out of it as a massive snowstorm moves through the northern U.S.

The fast-melting Thwaites Glacier won't be able to hold back a massive flood of ice water.