Each year during the Ocean Conservancy's International Coastal Cleanup, thousands of people remove trash from local waterways.

The truth is that crop circles are more art than alien. Still, it's fun to suspend your disbelief, if just for a second.

You may think you like spending time alone, but these deserted roads stretch for hundreds of miles through remote areas with nary another human around.

In the 1930s, the National Park Service created master plans for each U.S. national park that showed and explained the vision for development of each park.

Studies show we emit chemicals that communicate emotion, and whether we realize it or not, our brain responds to fear alarms.

New England's fall foliage wasn't always so colorful. Today's gorgeous scenery is the result of one of history's deadliest hurricanes.

A spectacular scene unfolds every year in Chiang Mai, Thailand, when thousands of candle-lit paper lanterns are released into the sky and Ping River.

The winners of Nikon's 43rd annual Small World Photomicrography Competition will make you wish you paid more attention in science class.

Only 2 percent of the population has this uniquely useful ability.

The Anza-Borrego Desert State Park in California is ablaze with colorful wildflower blooms.

A new study finds Hawaii is home to "super corals" that were nearly destroyed 30 years ago but have rebounded despite warmer, more acidic water.

A ghost forest occurs when sea levels rise and flood healthy coastal forests with saltwater, killing the trees. Plus, 5 ghost forests in the U.S.

Sweden has a floating library — the bokbåten — that brings thousands of books to people on dozens of remote islands in the Stockholm archipelago twice a year.

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.

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?

The series, which is celebrating its 50th anniversary this month, has the highest number of adult-child coviewing experiences of any children’s show.

The U.S. Women's Soccer team got a visit from service dogs in training before their match Thursday.

How you train your dog can affect his happiness and stress levels long-term, study finds.

Study is recruiting 10,000 canine citizen scientists for national dog aging project.

Quilty the rescue cat will not be contained at the shelter.

Researchers have a new way of figuring out your dog's age in people years, and it doesn't involve multiplying by 7.

Belinda Richards captures pet personalities and turns them into art.

The U.S. Consumer Product Safety Commission shows why fire safety is important for the holiday season.

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

The holiday isn't complete until you've seen The Old Man open his frageelay leg lamp. We double dog dare ya to resist these famed A Christmas Story quotes.

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.

Paying attention to a cat's tail language can give you insight into its mood and clue you in to what kind of behavior to expect.

Gyoza the pug was hired by 343 Industries to make alien sounds for the company's new Halo video game, "Halo Infinite."

When a shelter is 'no kill,' that doesn't always mean that every animal makes it out of there alive.

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.

Eddie Spaghetti, a dying rescue dog, gets to suit up and be a police K-9 for a day.

Clean your dogs ears regularly with some cotton or gauze as part of your regular grooming routine.

Perdita the cat has been dubbed the 'world's worst cat', but we know she's just misunderstood. And now, she's found her forever home.

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

With their vomeronasal organ and many, many olfactory receptor cells, dogs 'see' the world through their sense of smell.

Researchers are hoping to train dogs to detect people with COVID-19, even if they don't have symptoms.

From veterinary visits to buying dog food, pet owners have questions about how to keep their pets healthy and safe during the coronavirus pandemic.

On a group phone call tonight, Senator Kerry implores young organizers to push their senators on the climate bill. 'We have to hold our politicians accountable.

Hurricane Dorian was the strongest storm to ever make landfall in the Bahamas. These photos show the destruction.

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.

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

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 new time-lapse video shows Earth's glaciers in Alaska and the Yukon melting at an accelerated pace.

From temperature to location, so many factors can impact snowfall.

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

Earth just had its hottest decade on record but scientists warn the warming trends will continue.

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