Proper exercise may lengthen telomeres, which are linked to longevity.

We want your picks for our Readers' Choice: 40 chefs under 40

Our food blogger shares her thoughts after visiting the sustainable chain restaurant for the first time.

A new, keyboard-wielding mafia wants discounts, free stuff and preferential treatment in exchange for good reviews.

We treat it like it's as 'routine as poutine,' but 'misteaks' will come back and bite us in the rump roast.

New study advises women to eat fish while pregnant, but hold the mercury. Researchers evaluated 600 mothers and children and found that children who are exposed

There are many reasons to protect children from an overload of chemicals. Here's how you can do it and why you should.

Is a kinder, gentler Exxon/Mobil — with Rex Tillerson at its helm — really changing its stripes?

The Swirl Faucet also saves water, so long as you aren't completely beguiled by its beauty.

Humans have spent countless centuries perfecting the science (and art!) of collecting, storing and transporting water. Here's how ancient India did it.

Don't laugh. There are a lot of good reasons to consider it.

When fingerprints fail, a map of your brainwaves could help keep your cyberworld safe.

As our old desktops proved, separating the computer from the peripherals is a good idea.

To'ak Chocolate is fair trade, USDA organic-certified and exclusively sourced from rare cacao beans found in Ecuador.

Thelma Taormina isn't exactly keen on smart meters. So when a utility worker arrived at her Houston home to install one of the devices, she did what any totally

An experimental, "green" NASA lander crashed during its first free-flight test on Aug. 9, erupting in a ball of flame when it hit the ground.

Consumers can sell their current mobile phone at an ecoATM.

The COOKI, a stir-frying robot wonder machine, could be the kind of robot that makes real sense in our homes.

In 1984, the World Health Organization published a report determining the cause of sick building syndrome, in which the cumulative effects of bad ventilation, V

Last year, they successfully hiked the entire Appalachian Trail when their daughter was just a baby.

Microsoft is the latest in a long line of tech companies making a serious play in the renewable energy sector.

Despite anti-discrimination laws, some employers are still finding ways to cut ties with their pregnant employees.

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

Lisa Jackson will serve as the computing giant's VP for environmental initiatives.

"American Wasteland" author Jonathan Bloom shares tips for the source reduction of food waste like shopping smarter and keeping foods visible.

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.

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.

From pythons to goldfish, these former pets are now breaking bad and replacing native species.

Space law prevents rovers from contaminating H2O on Mars.

The European Space Agency's ExoMars mission is a two-phase operation that will look for methane, ice and landing sites for future rovers.

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

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

NASA says the unique Jezero Crater will revolutionize our understanding of Mars and its 'ability to harbor life.'

See the stunning images captured over 15 years by the European Space Agency's Mars Express in this beautiful greatest hits montage.

New Discovery series 'Lone Target' turns Joel Lambert into human prey.

From animals and architecture to treasures and wild weather, these are the shows we’ll be watching this month.

James Costa's new documentary looks at childhood obesity, school food and what fuels all those unhealthy cravings.

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

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.

Environmental scientist Amy Luers warns that a cultural shift to our approach to emissions and climate mitigation requires a broad, long-term view. Tying the is

The Big Picture Campaign is empowering youth to change the conversation about Type 2 diabetes with poetry that could help solve our country's food ills.

This gratitude project is simple, quick, creative and you probably have everything you need to participate in your pocket already.

Mild-mannered European travel guru Rick Steves never fails to surprise.

In this episode, Chuck chats with fellow musician Rob Del Bueno from Refuel Biodiesel about how he went from making fuel in his backyard (let's just say the EPA

In this episode, Chuck chats with fellow musician Rob Del Bueno from Refuel Biodiesel about how to make biodiesel. "It's simple to do," Del Bueno says, "but it'

Video: Chuck visits one of the first 24-hour card-swipe biodiesel filling kiosks.

Chuck Leavell, keyboardist for The Rolling Stones and the cofounder of MNN, sits down with country music star Gretchen Wilson at Farm Aid 2009 to talk about fig

Never doubt the power of the humble frog. These miracles of nature might just help us sail through flu season.

MARS spectral X-ray scanning technology will bring unprecedented detail and versatility to doctors seeking a window into the human body.

The quirky Joshua tree may be nearly gone in 50 years if we don't battle climate change.