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

Actor says his oil separation technology coupled with special boats can effectively stop an oil slick from reaching shore.

Tennessee Valley Authority announces plans for economic development projects in Roane County, the site of last December’s coal ash spill.

Air pollution may be responsible for more than 2 million deaths around the world each year.

A new initiative in India will employ up to 300,000 youths in an effort to improve air quality and provide opportunities to the unemployed.

Air pollutants are linked with heart disease, lung disease and other serious afflictions that have long-term impacts.

Just like 'Jurassic Park,' except with flowers instead of dinosaurs.

The discovery offers new insights about dinosaur plumage, hinting at a 'chestnut brown' creature that couldn't fly.

An analysis of dozens of pyroclastic ash deposits suggests that Mercury had an long history explosive volcanism.

Wildlife biologist Steve Barlow has invented a nest box that can be added to utility right-of-way markers across the U.S. and Canada.

But there are things you can do if you find a big 4K TV under the tree.

While "Million Dollar Baby" earned critical acclaim and a Best Actress Oscar for Hilary Swank, it also took a toll on her health.

A lot of people thought white and yellow dandelions were different plants.

'Where the River Runs' is a pop-up meadow with a deep environmental message.

A Silicon Valley investor with a penchant for green technology raised $1 billion for a new venture fund. His vision: science experiments and clean technologies

Add $350 million to the already invested $350 million, and EV network start-up, Better Place, seems to have plenty of fuel to bring the world an EV network that

Tesla Motors raised $266 million during its IPO with shares selling for more than the $14 to $16 target range.

Microsoft co-founder's donation will fund research into Alzheimer's and other conditions.

The cost of supporting a person with autism over that individual's lifetime can be as high as $2.4 million, a new study estimates.

Another tragedy highlights the need to protect these precious insects.

It's worth keeping tabs on some of the world's most eccentric billionaires, especially if it was their wacky ideas that made them so rich to begin with.

The Mars InSight lander, developed to peer deep into the red planet's interior, is slated to launch on the morning of May 5.

The backwoods genius of 'Billy Bob's Gags to Riches' lives high off low-brow novelties.

The Environmental Voter Project has a plan to awaken a sleeping giant in American politics.

Funding for the newest Breakthrough Prize is announced as the awards for life sciences and physics are given at a California ceremony.

With a donation of $970 million, the Facebook co-founder has become the country's top philanthropist for 2013.

The social network's acquisition of the makers of the Oculus Rift headset promises to change the way we experience online media.

The U.S. Department of Energy has awarded $29 million in Recovery Act funding for weatherization training centers in 27 states.

Philanthropist Marcus Lemonis is offering work at his Camping World stories and access to an army of volunteers to national parks in need.

Tim Sweeney, founder of Epic Games and "Fortnite," is using the popularity of his virtual worlds to make a big impact in his home state of North Carolina.

James Harrison's plasma is used to make treatments for Rhesus disease. He has made 1,173 donations over more than 60 years, but now he has to retire.

Groundbreaking case was the first to link the product with terminal cancer.

To fight climate change and deforestation, Ethiopia is turning to trees in a big way.

Coal country Sen. Robert Byrd is crowing about $4 billion he steered towards the false hype that is "clean coal" in the Senate version of the economic stimulus

Buried in the 500-plus pages of the defense budget signed by President Obama on Dec. 31 is a curious provision that prohibits the Department of Defense from spe

The U.S. Green Building Council's LEED certification program reaches a new milestone.

European carbon market comes to a screeching halt after hackers use a phishing scheme to steal $4 million in emissions credits.

Car-sharing service Zipcar is betting that name recognition will boost sales of its common stock in an upcoming initial public offering.

Assembled as a local factory, the prefab housing units will house over 200 people at 3 different sites.

Milan, Italy's smoggy second largest city, envisions a future that's cooler, cleaner and swathed in green.

Although they are getting better at it, many consumers still do not spend every last penny that is credited to their gift cards.

Are two billion cars a nightmare we can avoid? MNN's auto blogger reviews a new book on the subject.

The world's oceans are turning acidic even more rapidly than during a monster emission of planet-warming carbon 56 million years ago.

Energy efficiency efforts are a highlight of the company’s 2011 Corporate Responsibility Report.

Open Table pays $10 million to Foodspotting for its library of user-generated restaurant food photos.

An addictive game and millions of micro-transactions equal success for King.

Day 1 in Copenhagen: despite massive jet lag, we had a fun bike tour of the city that proved a revelation in bike-centered city planning. 37% of all commuters u

The 21-year-old, who received a $2M signing bonus from the Toronto Blue Jays in 2011, says he enjoys living the simple life.

Richard Turere's solar-powered invention safely scares lions away from his family's cattle.

Without official cap-and-trade legislation, our nation’s farmers may lose millions of dollars.