Ancient 5-foot 7 penguin weighed at least 220 pounds and speared fish with its sizable beak.

Learn the trick to making mulled wine without burning off all the alcohol in this video for a drink that’s perfect for this weekend between the big holidays.

Nobel by the numbers: How much do you know about the history of the Nobel Prize? Take the quiz.

When it comes to decisions on electricity and energy policy, women do not have the facts they need.

While easy to focus on the gross-out factor, the tale of a stranded train filled with sewage sludge shines a light on the complicated afterlife of our waste.

A light-emitting diode (LED) developed at MIT operates at 230-percent efficiency. That's not a typo. LEDs will provide 70 percent of the world's general lightin

Isamu Akasaki, Hiroshi Amano and Shuji Nakamura have been awarded the Nobel Prize in Physics for their invention of the blue light-emitting diode.

RGB-type LED bulbs like the Philips Hue give you a lot of control and they're a lot of fun, too.

The new screens are less than a millimeter thick and weigh next to nothing.

Refuge protectors weigh in on the shutdown's impact.

The Santa Cruz River, nearly dry for almost a century, may soon flow once more through downtown Tucson.

'If you see me, weep,' reads one of these so-called 'hunger stones.'

Joining an environmental book club (or cracking a few eco-books solo) is a virtually effortless way to green up your life a bit.

You can dramatically reduce your carbon footprint just by choosing products and services that are locally-owned and produced.

A family spots a swan caught in fishing line — and Uncle Freddy saves the day.

Do kids still get summoned back with bells and whistles at the end of playtime outside?

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

The Environmental Protection Agency spent MLK Day spreading the gospel of food waste reduction to faith-based groups.

A fairly painless way to start making a difference is to write down how you can save 10 miles of driving each week and then do it.

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

Having conquered both the moon and Cupertino, Sir Norman Foster eyes the Red Planet.

Mars' Korolev crater is a well-preserved crater permanently filled with ice.

Former Hell's Angel Tim Medvetz plays the role of motivational 'bus driver' to a group of unlikely adventurers.

New Zealand residents are not happy that their pristine water may be exported for bottled water. The company that wants to export it doesn't want it to go to wa

After Hurricane Irma ravaged Florida, a Miami teen saved hundreds of mangroves and replanted them as protection for animals and humans from future storms.

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

With the U.S. Green Building Council's Greenbuild International Conference and Expo about to kick off in San Francisco, the organization announces the recipient

New plastic PDK can be broken down at a molecular level and come back just as strong to be reused again and again.

Tiny houses have become the darlings of budget-minded minimalists, and Ryan Mitchell's book, "Tiny Houses Built with Recycled Materials," explores them.

As its name implies, Scavenger Studio by Eerkes Architects was constructed from materials plucked from soon-to-be-demolished homes.

Brazil's once-expansive Atlantic Forest has now almost completely disappeared.

Confused about egg carton labeling? You're not alone.

Roughly 20 million Americans work from home on at least a semi-regular basis. Here's how telecommuting is impressive dent in carbon emissions — and what you

For your health and the environment's, take at least one weekly stroll.

Meet Visualight, a WiFi-enabled LED bulb that visualizes data as colored light. In other words, when a recent crush messages you on Facebook, the lights in your

In commemoration of National Energy Action Month, our friends at Cree share an infographic highlighting the energy-saving prowess of LED lighting.

Philips, a company known for its L Prize-winning, checking account-busting incandescent replacements, enters the web-enabled LED market with a spendy, smart and

Sorry to see 100-watt bulbs disappear from stores because they were energy hogs? LED bulbs will roughly match the 100-watters for size and brightness, but their

Although several manufacturers have plans to release long-lasting, energy-sipping LED A-Line bulbs that replace the near-obsolete 100-watt incandescent, Osram S

Firm in the belief that light should help you <i>live</i> in addition to see, two young eco-entrepreneurs have created a family of super-brainy, Bluetooth-enabl

The NanoLight, a new Kickstarter-funded 12-watt LED bulb, eschews fancy-schmancy smart capabilities and instead focuses on groundbreaking energy savings.

Finally, a lamp that's good enough to eat. For Stockholm Design Week, designer Alexander Lervik debuts an LED lamp with a slowly melting chocolate shade.

Cree makes a game-changing jump into consumer lighting with affordable LED bulbs that resemble the energy-hogging incandescents of yesteryear.

Realizing that some folks may need further convincing to ditch incandescents, LED pioneer Cree releases a series of TV spots starring Lance Reddick.

Danielle Trofe returns to WantedDesign with a duo of LED lamp-hourglass hybrids that stay illuminated via the kinetic energy produced by falling sand.

LEDs saved about 71 trillion British thermal units, equivalent to an annual energy cost savings of about $675 million!

Using a malware script, a security expert finds that wirelessly controlled — and supposedly totally safe — Philips Hue LED bulbs can be maliciously hacked.

In manufacturing, 'flat' has long been synonymous with 'low-cost' but can this also be applied to consumer LED bulbs? The 2D-Light gives it a go.

Lin Guohui's Bulb Flashlight is just that: A screw-in 40W LEDreplacement bulb with a rechargeable battery that can be removed and used as a handheld torch.

Watch out, IKEA: Walmart jumps on the affordable LED train with the release of a line of light bulbs. Prices start at less than $10.