If you've upgraded and have old Apple products or other cellphones lying around, Gazelle will give you cash. It's fast, easy and the company will even send you

With the passing of its first major milestone, NASA is on track to replace its highly toxic fuel with a greener, more efficient one.

The super-fast "Hyperloop" travel concept is just the latest in a series of big, bold dreams by billionaire entrepreneur Elon Musk.

The Boeing Black tackles cybersecurity with a range of spy-like features.

HVAC heavyweight Honeywell unveils Lyric, an attractive and eager-to-adapt household thermostat with GPS-based functionality.

Amazon continues to look for new ways to deliver things to customers even faster.

Kentucky residents and wildlife benefit from improved water quality with the dam removed in the Green River.

The tongue-in-cheek campaign, courtesy of 350.org, proposes naming storms after climate change deniers.

Ahimsa House brings healing to survivors of domestic violence, by giving both humans and animals a safe place to start over.

A new study finds dogs rush in — but stay calm — when they hear their human crying.

From the fitness fan to the overachiever, we've got you covered with ten fun 'Elf on the Shelf' ideas to please all of your little elves.

Microsoft and Ford announce that the Microsoft Hohm service will be available to manage the recharge process of Ford's future electric vehicles.

The Microsoft founder admits that the cumbersome combination should have been made easier.

Microsoft faces strong competition on both desktop and mobile fronts. What can the new CEO do to ensure the company's success?

Headset was designed to help assist and enrich navigation for the visually impaired.

Popular magazine and testing facility finds that nontoxic paints have improved in recent years, performing just as well as conventional paints.

Health officials have identified a 'very strong culprit' for the devastating sickness linked to e-cigarettes.

75 percent of all emerging infectious diseases are zoonotic, meaning they originated in animals. Here are 10 to be aware of and which animals carry them.

Hand sanitizers aren't as effective as soap and water, but sometimes they're a smart choice.

Legal cannabis markets are bringing a powerful ally to the fight against marijuana prohibition: The business community.

Puerto Rico wants to attract more tourists as part of its post-Maria economic recovery efforts, so don't be afraid to go there.

Ireland's national investment fund will sell all investments in coal, oil, gas and peat as soon as possible.

The new fuel economy labels include a smog rating, greenhouse gas rating and more.

Looking out for the safety of kids and pets, the EPA decides to ban some toxic rodent poisons. Here are a few pest remediation alternatives that rely on repelli

Residents living near Brooklyn's Gowanus Canal rally against a planned residential development that they believe will lead to increased flooding risk.

In large part to gas wells and cow farms, the United States is spewing 50 percent more methane than regulators thought.

Should we be worried, or is it OK to keep drinking (for now)?

There's never been a better time to start bicycling to work. Here's how to get rolling!

Looking to make this holiday really special — without breaking the bank? Consider homemade gifts. Here are 10 ways to put a special glow into Christmas.

It's not what you buy that makes you green, but what you don't.

Colony collapse disorder is claiming many of North America and Europe's bees. But there are simple things you can do to help keep them buzzing.

Social entrepreneur harnesses the power of stories to help illiterate communities leverage their ingenuity to find solutions to local problems.

Entrepreneur Jonas Falk, 28, has grown a $20 million company, Organic Life, by serving great-tasting organic food at schools.

Jay Harman developed technologies from the Lily Impeller that he says may fundamentally change how humans do almost everything.

Keeping discarded kitchens out of landfills is just the tip of the iceberg for this entrepreneur.

Miguel Luna is using grassroots organizing to rehabilitate the river and the communities near it through his group, Urban Semillas.

The social workers have assisted veterans, children and families.

Wanted: Test scores from 1 million people as web-based research project aims to learn more about the region of DNA that determines how the brain works.

Engineering students tackle two problems with one clever project — how to transport water and purify it at the same time.

Father-daughter team turns a common race practice into a clever opportunity to help the less fortunate.

Cristina Mittermeier discusses the modern movement of conservation photography in an interview.

The nonprofit Gearing Up gives women in recovery a chance to get outside, build self-esteem and bond with one another.

A California couple helps veterans with PTSD and rescued wolves and wolfdogs forge lasting bonds that change lives.

Forget the meek; the jellyfish might just inherent the Earth.

Google's online street views could help scientists track and fight invasive species over the Internet.

The invasive species has already wreaked havoc in the Great Lakes and other regions.

A study found that an invasive species of camel cricket from Asia is now far more common in American basements than the native variety.

Feral cats cover a staggering 99.8 percent of Australian landmass, according to a new report in the journal Biological Conservation.

The first release of moths with genetically-engineered "self-destruct" switches onto American farms is being heralded as an insecticide-free solution to pests.

Chuck Leavell, the keyboardist for the Rolling Stones and the co-founder of MNN, interviews Ovie Mughelli, the fullback for the Atlanta Falcons about his passio