By keeping out invasive cats, rats and other predators, a new fence on Kauai is helping a rare bird bounce back.

A once-'mild' virus found in Africa 70 years ago is now running wild. Here's everything you need to know.

High winds and vacant land create the perfect recipe for tumbleweed terror in Victorville.

Video: Learn about ecoartspace and how that organization addresses environmental issues through the visual arts.

The massive Mars colony simulation located in the Dubai desert will be designed by Danish architect Bjake Ingels.

The delicate tremble of aspen leaves in low-wind conditions may generate enough backup energy to save and extend the life of future Mars rovers.

Green Grammy goodies, wolf hunt, 'Earth from Space,' 'Reef Wranglers'.

Animal poaching makes Silas Weir Mitchell ('Grimm') 'murderously enraged'.

Plus: Notes from around Hollywood.

Actress helped create wells in third-world countries.

National Geographic's popular 'Brain Games' series takes a look at the laws of attraction in a special Valentine's Day episode.

Psychologists wanted to know why some people are more likely than others to be proactive. Here’s what they found.

Meet the environmental organizations wielding the power of Facebook to inspire, educate and advocate for the planet.

Accolade recognizes Turner's 'remarkable commitment to protect and preserve our natural world.'

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

For a generation, activists have built their protest movement on the scientific facts of climate change. But the facts of another kind of science — neuroscien

Media mogul offers to lobby at no charge in support of wind power.

The now former congressman leaves behind a lengthy pro-environment record.

Spending cuts are the talk of Washington these days. Some are looking to make big political gains with cuts that won't create measurable savings.

The White House is taking a political risk: Spurn environmentalists enough times, and they might return the favor.

As GOP presidential hopefuls sound the alarm on the global warming hoax, we've uncovered the smoking gun: irrefutable proof, backed by flawless logic, that clim

A new IPCC report is about to come out that proves what we all know already -- there is most definitely a connection between climate change and extreme weather.

What would environmental policy look like under Paul Ryan? The U.S. vice presidential candidate is a self-proclaimed 'avid outdoorsman,' but his policies often

Despite his recent silence on climate change, there's reason to believe Obama might focus more intently on environmental issues during his second term.

A group of chemicals found in personal care products may raise the risk of diabetes, a new study suggests.

Scientists find that adults infected with a common strain of the herpes virus are more likely to develop Type 2 diabetes than those free of the virus.

A new book, 'The 8-Hour Diet,' has science and sensibility behind it.

Celebrity doctor's unofficial audience test promises weight loss with no change in diet or exercise, but there is one downside.

Nearly half of all air pollutants exceed breathable levels and they often have a dangerous impact on our health.

A new quiz making waves across Facebook has many users changing their profile photos to pictures of giraffes, all in the name of good fun.

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

The boy who eats lunch alone in the school office everyday because no one will sit with him now has more than 1.2 million likes on his Facebook birthday page.

A random YouTube video leads to the reunion of two sisters who grew up 5,000 miles apart.

Watch how one man's donation contributed to surgery that enabled 3-year-old Congo native Loic Mbeze to walk.

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

Mom posts open invite on Facebook and receives a 'Reddit hug' from the online community.

25-year-old wave runner Lindsey Russell undertook the 20-mile challenge to raise money for charity.

Katie's Krops is helping kids fight hunger one garden at a time.

Get ready to break out the tissues with this video featuring children from the Boys & Girls Club of Metro Atlanta.

Many organizations are accepting donations for California wildfire victims and first responders, making it easy for you to help.

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.

Video: Chuck interviews the Indigo Girls about their nonprofit, Honor the Earth.

Video: Chuck Leavell, keyboardist for The Rolling Stones and cofounder of MNN, sits down with the Indigo Girls to chat about the complexities of touring with bi

The fang blenny's 'heroin-like' venom could inspire new painkillers for humans. (In return, maybe we could not destroy its habitat?)

Bakersfield firefighters pull an unresponsive pup from a fire and use a specialized animal oxygen mask to revive him.

Human trials are set to begin on the treatment, which cured 100 percent of mice during animal trials.

Stunning 3-D videos capture the drama of life on a subcellular level.

Hailey Dawson has a 3-D printed hand and team spirit for days.

Developed at the University of Helsinki, PrimeBEE allows immunological signals to be passed from a queen bee to her offspring.