What does it mean to water a piano? What your boss was referring to as “watering your piano” is actually a phrase used to explain the presence of a piano hu

Water leaks, especially those from plumbing pipes and fixtures, don't go away. They only get worse.

What a four-day school week in Colorado means for the families that rely on school for childcare.

A child's metabolism is similar to that of a well-trained endurance athlete.

A new study suggests the shape of an egg is determined by how much time a bird spends in flight.

New research finds dads are happier than moms, and it might have to do with how much time they spend playing.

The standard goal of 10,000 steps could do more harm than good for some, says Dr. Greg Hager of Johns Hopkins, and it might not be enough for others.

In these financially uncertain times, more and more 9-to-5 workers are rounding out their paychecks with cash from entrepreneurial ventures.

Researchers take a closer look at America's charitable giving and find some surprising results.

Like the eat local movement, this trend is another way to keep your dollars close to home.

The government's emerging tax plan looks like the baby boomers are hurting millennials, but it's worse than that; it's rich people hurting everyone else.

College textbook prices have outpaced the rate of inflation since the 70s, but here are some creative ways to find course materials for less.

The longtime environmental cop is known for being tough, pragmatic and likable.

Two environmental journalists call for the Environmental Protection Agency to become more open to the press and thus to the public.

About 53 million Americans live within 3 miles of a Superfund site. Here's a look at the status of 10 of the country's most prominent listings.

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

Pierre Calleja sees big things in microalgae – microscopic, single-cell plants with the potential to clean the air.

Vijay Brihmadesam, one of the minds behind Tava Indian Kitchen, has mastered the tasty and convenient fast-food market.

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

As climate change affects the world, invasive species are finding new, more hospitable places to call home.

Space law prevents rovers from contaminating H2O on Mars.

Not only do we need to keep Earth safe from alien microbes, but we need to keep space safe from Earth microbes.

'White Mars,' as Antarctica is known, is ideal for studying the long-term effects of isolation.

It would be the first heavier-than-air craft flown on another planet.

He plays a KGB spy in 'The Americans'.

Billy Burke ('Twilight') returns in 'Revolution'.

SC Johnson discloses fragrance ingredients in its products to help consumers make even more informed choices. Take this quiz to see how much you already know.

The co-founder of Soshal Group says if we want to influence the future of ethical business, we have to talk about it differently.

An economist and an ambassador to a petroleum-rich country talk about the current state of climate policy in the United States.

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

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

It's easy to blame the corporates, the governments, the multi-nationals. But how different is it on the local level, the personal level?

If things like saved lives and prevented illnesses have a dollar value, efforts to stabilize the climate might pay for themselves, two studies find.

The U.N. summit is going on despite recent terrorist attacks, and it does so with diplomatic momentum as well as a renewed sense of global solidarity.

For people over 75, a diet high in sugar and fat doesn’t have much of a negative health impact.

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.

Former Facebook exec and sister of Facebook founder shares her tips on unplugging from our digital lives.

Facebook is in talks to buy a drone company that manufactures ultra-lightweight, solar-powered planes.

Have you noticed a plethora of puppies on your Facebook page? This is why people are posting them.

Some say that news articles from questionable sites shared on social media swayed the election, so these students took the challenge on.

This New Years Eve, I'll be raising my glass of biodynamic champers to the success of energy and money-saving home improvement projects.

Video: Chuck Leavell, keyboardist for The Rolling Stones and cofounder of MNN, sits down with singer-songwriter Will Dailey to chat about Farm Aid and eating go

The official mascot for the 2018 Paralympic Winter Games is a moon bear. It may not sound like a big deal, but the species really needs this.

What do the Easter Bunny, Clean Coal and Santa Claus have in common? None of them exist -- except in the minds of children and energy executives.

Seagulls followed the Tiber to Rome decades ago. In recent years, however, they've become more numerous and more aggressive.

The town of Ipswich has been haunted by a nursery rhyme playing over a loudspeaker for more than a year.

Austria's capital ranks high in everything from walkability to affordability.

It has to do with civic involvement and not an issue with nature.

Once considered a dead zone for green building, Miami Beach will soon be getting its first LEED Platinum home in the form of 2020 Alton Road, a super-sleek, sup

In the South Bronx, a 124-unit housing development with a rooftop farm combines low-income housing with an emphasis on healthy living and fresh food.