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

What am I supposed to do with asbestos tile in my home?

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

His sons had to let him know that the strange new dog wasn't theirs.

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

A neighbor called the police on a Chicago mom for letting her 8-year-old walk the dog alone.

Looking to check things off your to-do list? Start with a little math.

After nearly 100 years, snowballs are legal in this town again thanks to one brave kid.

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

It would make sense for Microsoft to either cut Windows RT out of the picture or somehow merge it with Windows Phone.

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

Indoor air pollutants are all around us, from radon and rodents to VOCs and NO2.

Feeling wheezy after buying a new sofa? Struggling with cat pee smell? Not to worry, your air-purifying hardwood flooring should take care of it.

NASA studied houseplants as a way to purify the air in space facilities, here are the plants that improve your indoor air quality best.

Swedish home furnishings giant Ikea wants to help us breathe easier with pollutant-busting window treatments.

Colorado and Washington state have legalized marijuana, and others are considering measures. Test your cannabis knowledge.

The opening of Colorado's pot emporiums has led to a stained relationship between landlords and those looking to puff in the privacy of their apartments.

Raising a child is an expensive undertaking, and new parents can get a severe case of sticker shock even before they've left the maternity ward.

Massachusetts has a plan.

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

Jackson will leave the agency early next year, she revealed in a statement Thursday, adding that 'the ship is sailing in the right direction.'

Born 100 years ago today, President Richard Nixon has seen a revival of late as an environmental champion.

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

The EPA staff is being cut by 6 percent, disrupting services like pollution cleanup and public health research.

U.S. authorities have largely suspended their investigation of the molasses spill that fouled Hawaiian waters last month.

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

Lush, lovely and totally invasive, running bamboo has been branded as public enemy number one in several towns in the Northeast.

The 3,000 to 4,000 fish that now run amok in Colorado's Teller Lake #5 likely spawned from 4 or 5 dumped pet goldfish.

Giant African snails have invaded the Galapagos, but two rescued dogs are sniffing them out and helping researchers fix the ecology of the islands.

The Rolling Stones keyboardist and MNN co-founder sheds light on the band's new single, which includes a reference to hydraulic fracturing, aka 'fracking.'

NASA's Curiosity rover has made a surprising find that could help scientists get one step closer to figuring out if Mars has ever supported life.

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

Finding water ice could change everything we thought we knew about the red planet, and make colonization feasible.

Katie Leclerc's character gets a food truck on 'Switched at Birth.'

Luke Perry and Ricky Shroder star in Hallmark's 'Goodnight For Justice: Queen of Hearts.'

Steven Pasquale stars in a dual role on NBC series 'Do No Harm'. Show aims to do less harm to the environment via eco-friendly production practices.

Eco at the Oscars, TV dogs, elephants and 'Sharks'.

The actress, who follows a mostly vegetarian diet, stars in her first American TV show, 'Red Widow.'

Plus: NBC's 'Parenthood' wins green seal.

Book signing party supports animal rescue charity.

Plus: Heidi Klum’s Earth Day and Howard Stern’s animal instincts.

We chat with co-hosts David Frei and John O'Hurley to get a behind-the-scenes look at this year's event.

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

Large-scale installation, by artist John Gerrard, simulates the sun and night sky above a solar thermal plant in Nevada.

New Hampshire distillery Tamworth turns the healthy spice into a tribute to Alexander Von Humboldt, the "forgotten father of environmentalism."

Stewart Brand, creator of the Whole Earth Catalog, helped shape the future we live in now.

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

Worried about input costs, beer titan Molson Coors went green mainly to save green. If the end result - less waste - is to the planet's benefit, why should we c

NYC Mayor Michael Bloomberg's surprise endorsement of Obama follows the devastating effect of Hurricane Sandy on New York City and the Northeast.

Researchers present results of the ORIGIN study evaluating 12,500 patients in 40 countries.