New research seems to demonstrate that iridium, a rare metal found in meteorites, can kill cancer cells.

Surprising evidence linking Australia and Canada reminds us that our planet is a dynamic place.

The archaeological site is located a mere 900 feet off Manasota Key in Florida.

These volcanic seamounts are rich with life and are estimated to be at least 30 million years old, formed when Australia and Antarctica broke apart.

The find confirms that America's earliest human inhabitants were here much sooner than previously thought.

The new white Coca-Cola cans are part of a fundraising campaign to protect the Arctic.

Invasive plants outcompete native vegetation, threaten endangered species and curb biodiversity. So put on a bib and chow down!

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

CANLOVE, a collective of graffiti artists, is on a mission to collect and upcycle as many spray cans as possible into art.

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

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

Eco-Sense, described as North America's first code-approved, seismically engineered load-bearing insulated cob residence, is one of the first projects to gain s

Fire lookout towers found in numerous national forests have been converted into campsites-in-the-sky.

Check out the amazing transformation one man goes through after hiking from Georgia to Maine.

Open to biking, kayaking and cross-country skiing, this 15,000-mile-trail isn't your run-of-the-mill recreational trail.

A supplement derived from a tropical fern can offer extra defense against sun damage to the skin.

Researchers used satellite images and medical records over an almost 20-year period to determine if access to green areas reduces schizophrenia risk.

BirdCast shows the volume and direction of birds in the U.S.

Aaron Tucker was hoping a job interview would change his life, but he wound up saving a life instead.

The 'Icelandic Model' may be the country's best export.

Some are eyeing empty department stores as potential transitional housing for the homeless.

As the ban the plastic straw movement grows, we need to make sure those who really need them have access.

A community rallied to find a coyote trapped in plastic in the middle of a snowstorm.

Republicans are licking their chops about questioning the EPA administrator, but recent history shows that may be exactly what she wants.

The GOP is treating the EPA chief like a human punching bag — but she can strike back.

A new system created by a French energy firm heats about 6 million square feet of office space, creating no emissions in the process.

The USNS Henry J. Kaiser is carrying 900,000 gallons of biofuel blended with petroleum for evaluation and testing.

Not all of us can put solar panels on our houses, but we can still support renewable energy. Here's how.

The Hobbitenango is a sustainable restaurant and hotel that gives back to the village.

Director Goh Iromoto's cinematography and sound for his latest stunning effort will move your soul to hit the water.

The reason red meat is linked to higher cancer risk is that it contains a sugar molecule called Neu5Gc that isn't naturally found in the human body.

Scotland is hoping to leverage its extensive experience in North Sea oil and gas drilling to become the leader in the offshore wind industry.

From Ikea to Walmart, corporations are increasingly interested in generating their own power. Where does that leave utilities?

The way snow dances around wind turbines is shedding light on the mysteries of how air turbulence behaves.

Add this kitchen mainstay to your arsenal of natural cleaners.

Things were hunky-dory for Ontario homeowners Loretta and Kevin Yates until their ceilings started to crack and ooze honey. Time to call an exorcist? Or an apia

Robert Redford shares why he has joined the fight against the coal mine.

You might remember the former U.S. senator from Idaho as the anti-gay politician who was arrested for lewd conduct in an airport bathroom. He's back in Washingt

Photographer explains the story behind Indonesia's majestic Kawah Ijen volcano, which appears to spew eerie blue lava.

And it's potentially more efficient than an LED.

In a place where the streets flood with sewage after it rains, salvation may come in the form of a park.

Radium, a naturally-occurring radioactive element that's also a known carcinogen, can be found in water systems across the U.S.

Over 500 workers have been mobilized to deal with the endless tide of garbage inflicting the beaches of Santo Domingo.

Astronaut Janice Voss, a veteran of five spaceflights and a former science director for a NASA exoplanet-hunting spacecraft, has died after a battle with cancer

Utilities from California to North Carolina are preparing for a brief but sharp decrease in solar production during the Great American Eclipse on Aug. 21.

China has now given a face to its aggressive renewable energy goals — and man, is that face adorable. (It's a panda.)

The breakthrough works like a rechargeable battery that is charged by sunlight.

Go ahead and drink wine from a can this summer, but remember: It's not fine wine; it's fun wine.

Just think of Indiana-based startup Try It Tiny as the Airbnb of tiny house-friendly land rentals.

A new study suggests the UNESCO status of Canada's Wood Buffalo National Park is in danger.