Celebrities are asked to show off their hidden talents, and Oprah surprises with her ability to make dog poop stains vanish.

Tim Hawking says he added swear words to his dad's speech software and used his wheelchair as a go-kart.

Stephen Hawking, the renowned theoretical physicist, lived for 50 years with ALS, a group of rare neurological diseases, but he never let it define him.

Check out these $20 (or less) bottles from around the world, plus a bottle of fizz to splurge on.

New study sheds light on the illusion and athleticism behind Michael Jackson's 'Smooth Criminal' tilt.

Two goats discovered along subway tracks in Brooklyn are on now safely on their way to Farm Sanctuary.

Famous people understand dogs as well as the rest of us.

Actor doesn't even wear a veil to protect himself because, clearly, all living things love Morgan Freeman.

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

A new study reveals how smooth, vertical surfaces can confuse a bat's echolocation abilities.

Only about 2 percent of Iceland is now forested, down from as much as 40 percent before Vikings arrived.

A human home inevitably contains about 100 kinds of arthropods, research shows, but most are harmless and some can be helpful.

From urban jungles to sprawling prairies, here are some noteworthy facts about these resourceful rodents.

Before she flew back into the wild, Miss Alicia the bat met a fruit and fell in love.

Scientists are studying the sleep habits of mountain lions to help protect the cats from habitat loss.

White-nose syndrome is obliterating bats across North America, but a new study suggests the fungus behind the plague has an Achilles' heel.

A new study introduces 18 previously unknown spider species that look remarkably like pelicans.

About the size of a pinky nail, the nest cups are filled with 'eggs.'

Climate change is enabling a beech boom, according to a 30-year study, and that may spell ecological trouble.

Mowing a lawn every two weeks instead of weekly can boost the abundance of bees, according to a new study.

You may think of butterflies simply as colorful garden pollinators, but there's so much more to these beautiful insects!

Conservation efforts are helping some large predators reclaim ancestral habitats, a new study finds.

A new study reveals mosquito DNA in the guano of two widespread North American bat species.

Earth lost 39 million acres of tropical tree cover in 2017. That's like losing 40 football fields full of trees every minute for a year.

Some trees embark on an epic — and important — journey after they die.

Even subtle changes of scenery can have dramatic effects on our mental and physical health, a growing field of research suggests.

Our planet has lost 60 percent of its vertebrate animals since 1970, but there still may be time to save the rest.

Meet some of the most spectacular, and secretive, squirrels on Earth.

A new study looks at the co-evolutionary 'arms race' between a brood parasite and its hosts.

Amphibians are reliable indicators of changes in ecosystems and are valuable in medical research.

One of Earth's most impressive ecosystems is in dire straits. Here are the main issues threatening this magnificent natural wonder.

Earth's species are now vanishing at rates unprecedented in human history. That matters for more reasons than many people realize.

Thirty Meter Telescope, which has faced protests and construction shutdowns, will be built in a culturally and ecologically sensitive area of Hawaii.

Millions of black 'shade balls' float on the surface of reservoirs, slowing evaporation.

Some of the smartest solutions really do lie right under our noses. In the case of Indie Energy, a Chicago-based cleantech company, the solution was buried in t

Shafts that haven't been closed could be transformed into geothermal boilers to produce heat and hot water for nearby communities.

With Hawaii's endless renewable energy potential, the state plans to generate 40 percent of its power from clean sources by 2030.

Giant cable will allow Iceland to share its vast geothermal and volcanic energy resources with mainland Europe.

The fossil fuel industry benefits from government money, but not renewables. In a forum with T. Boone Pickens at the National Press Club, media mogel Ted Turner

In North America alone, there is enough energy trapped beneath the Earth's surface to produce 10 times as much electricity as coal currently does.

Global investment in clean energy surged 17 percent to a record $257 billion last year, according to two new reports by the U.N. Environment Program.

The eco-friendly boutique hotel is located in Napa Valley.

A closer look at the Lone Star Geyser could help scientists predict volcanic eruptions.

Transition to clean energy meant to provide a proof of concept to other island nations in the Caribbean.

The newly discovered species have been isolated from other toads for 650,000 years.

A cat's attraction to catnip has to do with a natural chemical compound in the plant called nepatalactone that also may help advance cancer research.

The bizarre, unexplained sounds that harmed American diplomats working in Cuba may have come from the Indies short-tailed cricket.

Photographer Chris Perani painstakingly combines thousands of exposures to create each individual image.

Construction equipment has moved into the land of the National Butterfly Center in Mission, Texas, to begin work on a border wall.

Dubbed the 'flying bulldog,' this extremely rare bee has been lost to science since 1981.