For the next few weeks, about half an hour before sunrise, Mercury will peek over the southeastern horizon for observers in the northern hemisphere.

A NASA spacecraft slammed into the surface of Mercury on Thursday, April 30, bringing a groundbreaking mission to a dramatic end.

The dream of a space-faring humanity is deep-rooted.

How well-versed are you with our planet's fascinating geology? Test your knowledge and find out.

Life across the globe depends on bees, butterflies, birds, bats and other pollinators. Test your knowledge about these vital creatures.

Different countries have different dining customs. Do you know how to avoid being offensive at the dinner table, no matter where that table is?

We're surrounded by any number of dangers, but which ones should you really worry about? Take the quiz to find out what's more likely to summon the Grim Reaper.

It's time for some healthy change. Here are some fundamental truths you need to know about diet, exercise and other wellness goals.

Every two years, the National Science Foundation asks 10 questions to see how much Americans know about science.

Venture capitalists, energy researchers and policy makers gather for first time in New Mexico.

Pickens: 'If you don't think that you're gonna see a $200 barrel of oil, you're joking.'

OPT harnesses ocean power with some bright yellow buoys (VIDEO).

When the Winter Olympics wrap up, Vancouver will be passing more than one torch. The city could light the way for green cities of the future by proving economic

Renewable energy is a powerful force for the decentralization of Big Energy (and Big Government). It's odd that it isn't more popular in supposedly 'radical' an

Music for Relief, a charitable network of music greats, wants to help light up the darkest homes in Africa though the Power the World campaign. The goal: Lift m

Rich natural gas deposits off the shore of Israel can meet the country's energy needs well into the next century, provided it can be extracted economically.

Japan's plan to wean off nuclear power could help lead a global push toward cleaner, more efficient civilization, says U.S. energy guru Amory Lovins.

Famed architect Renzo Piano completes a self-sustaining micro-home named Diogene.

El Hierro, the smallest of the Canary Islands, is becoming energy self-sufficient by relying solely on wind turbines and hydroelectricity.

The Guest-Imator is a digital portion calculator that even considers the amount of leftovers you want to have. It works for vegan meals, too.

Whether it's fresh or canned, pumpkin freezes really well.

The Museum of London will showcase part of a 143-ton chunk of fat, diapers and baby wipes that was removed from the city's sewers.

As far as creative ideas to keep food food from being wasted go, Toast Beer is pretty brilliant.

Sweden is to thank (go figure) for a hot new lifestyle trend known as plogging that encourages participants to beautify cities while burning calories.

Ubiquitous Mardi Gras beads can be made of other things: Biodegradable seed bombs, anyone?

Illegal dung dumping is on the rise as the already-strong Dutch dairy sector continues to grow.

In England, Tesco supermarket is overhauling its fresh produce department to fight food waste.

Here's a good list of items not to put in your garbage disposal, and a bonus list of 3 to be cautious about.

Second Helpings Atlanta provides a bridge between fresh, perishable food and the people who need it most.

Although new on the Indian retail scene, Ikea already has big plans to alleviate one of the country's largest environmental ills.

You may love Amazon Prime, but the environment doesn't.

Copenhagen gains an unusual new landmark in the form of a multitasking waste-to-energy plant designed by Bjarke Ingels Group that functions as a ski slope.

Malaysia and the Philippines are forcefully rejecting trash from wealthier countries.

When you can smell garbage from miles away, pizza doesn't stand a chance with bears.

Moose are increasingly unleashing their frustrations on hunters, motorists and lawn mowers.

Thanks to the 24-hour news cycle and social media, it's impossible to tune out these politically turbulent times. Here's how to tune in and stay sane.

We need a mix of solitude and interactions for a healthy social diet.

The pilfering of e-mail correspondence among climate scientists from a major climate center in Britain two weeks ago has grown into a very public controversy un

A few hacked e-mails does not overturn the mountain of science behind global warming, and if you think otherwise you're either coldly disingenuous or informatio

Phil Jones and The Union of Concerned Scientists say The Daily Mail misrepresented a statement about climate change data to support skeptics' claims.

'Hackergate' — a desperate attempt by climate skeptics to revive the manufactured 'Climategate' scandal in advance of U.N. climate conference — will backfir

New flexible glowing sheets are inexpensive, easy to recycle, and could someday replace lightbulbs and OLED technology.

AT&T's ZERO Charger won’t draw electricity from a power outlet when disconnected from a mobile phone.

Authentic sounds of the wild can now be downloaded for free to your iPhone. Assign your friends their own unique howl, hoot or roar.

Nintendo gets the lowest score on the Greenpeace Guide to Greener Electronics for its failure to address e-waste or cut CO2 emissions.

Are the days of 'Star Wars'-type droids upon us? Israeli researchers host a tournament to see who can create a robot with the most human handshake.

New hi-tech Environ thermostat allows you to remotely monitor and control your home energy use.

Empowering consumers to make smart decisions can change the marketplace and shrink our national energy footprint.

Meanwhile, rumors of a pending iPad 3 spread around the Web, but are they to be believed?

Zerofootprint's TalkingPlug device turns everyday electrical outlets into miniature communications hubs, allowing remote monitoring and control of energy use by