New research suggests it will take millions of years for extinct species to return to Earth.

8 strange and surprising facts about the T. rex, king of the dinosaurs.

The space agency's $650 million Neo Surveillance Mission is designed to spot killer asteroids.

NASA astronauts make history with an all-female spacewalk — now that the spacesuit problem is resolved.

Microbes possibly feeding on the remains of an ancient forest may be generating billions of tons of methane deep beneath Antarctic ice, a new study suggests.

Good news from Antarctica: The hole in the ozone layer is shrinking, new measurements reveal.

Toyota has donated 4,500 free trees for this March's giveaway for New York City residents.

Cyclists have "increased heart rate and respiration," resulting in more CO2 emissions, said state Rep. Ed Orcutt.

Living near high-traffic roads accounts for 14% of all asthma cases, researchers find.

Scientists have created a microbe that converts carbon dioxide into biofuel, a discovery that might boost the battle against climate change.

The environmental movement's challenges are greater than ever, but the founder of 350.org says victory lies ahead.

Aging pipelines leak dangerous amounts of greenhouse gases into the atmosphere.

A new study claims it isn't as bad as estimated, at least during one part of the process. But how much methane does leak during fracking?

Seafloor-dwelling bacteria may prevent methane from reaching the atmosphere by eating it up.

U.S. federal budget woes are shrinking the monitoring network that tracks greenhouse gases such as methane.

Scientists have known this for a while now, but new research gives us more information about why kangaroos are so much more efficient than cows.

This surprising discovery won't be enough to stop climate change, but it will help, researchers say.

The worldwide ban on ozone-depleting chemicals stopped Arctic ozone from disappearing and forming an "ozone hole" similar in size to Antarctica's.

The Swedish home furnishings giant plans to offer 'lower carbon alternatives' to the signature pork and beef meatballs sold at its in-store cafes.

The risk of 'severe, pervasive and irreversible impacts' is quickly rising worldwide, the draft report warns.

A 2017 study published in Environmental Research Letters offers a number of ways to reduce your carbon emissions, and having fewer kids topped the list.

Newly declassified photos show a shocking loss of ice in the Arctic as global temperatures continue to rise.

New study finds that nanoparticles commonly used in antibacterial socks may significantly boost greenhouse gas emissions.

Scientist captures stunning sunrise during a research mission to study polar ice in the Arctic circle.

Scientists have released the first 'point of view' video filmed by a wild polar bear, offering a glimpse into the animals' daily lives.

The Barnes Ice Cap, a last surviving piece of the once-vast Laurentide Ice Sheet, will be gone in as little as 300 years.

Cadbury will certify 300 million of its Cadbury Dairy Milk chocolate bars as well as its packaged cocoa, at a cost of £1.5m ($2.1m), by the end of summer.

The narrowest building in Poland is the work of Israeli writer Edgar Keret.

Feeling a little full of yourself? Check out these 19 boys and girls who actually did something about the world's ills before they even got to their 20s.

The idea behind Toshiko Horiuchi MacAdam's lovely, loopy play structures was born when children started playing on the designer's crochet sculpture in an art ga

Potters Fields in England is a perfect example of how to use design elements to make the landscape shine in the colder months.

Could we be witnessing Korean pop's plunge into the cultural criticism arena?

These individuals and organizations support a variety of green causes with generously large donations.

Get healthier by focusing on vegetable-based dishes Monday through Friday and eating meat only on the weekends.

Guy Laramee's work speaks to the 'erosion of cultures' and our over-reliance on analytical knowledge, symbolized by the book.

Working with the nonprofit Solar Aid, students earn enough to bring electric light to a school in Kenya

It really is important to learn to love your stuff. But that love comes so much easier when there is less stuff to love.

The wooded area around the UK town of Knaresborough, North Yorkshire has fallen pray to some amazing guerrilla art.

Apparently touring other people's chicken coops is what all the cool kids are doing these days.

Anas Cheema, a 22-year-old economics student at the University of Victoria, decided to dedicate his summer.

If the mere thought of sharks sends chills down your spine, consider the damage that a swarm of ants could inflict. And even cows have been known to be deadly.

Flow, a handheld tracking device by Plume Labs, wants to help us better understand — and avoid — urban air pollution.

Research conducted in Madison, Wisconsin, finds soil in developed residential landscapes is better at absorbing CO2 than forests.

The Environmental Defense Fund is developing a satellite that will regularly monitor 50 major oil and gas regions for methane leaks.

To help erase unsightly yellowing brought on by air pollution, India's crown jewel is looking for new beauty miracles.

Smart rooks collect litter at Puy du Fou, a historical theme park in Western France, in exchange for food.

Part of the Keystone oil pipeline was shut down after a 5,000-barrel leak in South Dakota, the pipeline's operator TransCanada said.

While the Camp Fire rages over 100 miles away in the Sierra Nevada foothills, San Francisco experiences an air pollution emergency.

The whole point of getting out into the natural world is to see, smell and hear the sounds of nature.

Earth's atmosphere hasn't had this much CO2 in human history, and possibly not since the Pliocene Epoch about 3 million years ago.