Sign up for MNN's weekly newsletter for a chance to win a cruise on Oasis of the Seas.

Fan MNN on Facebook and you'll be automatically entered to win an organic kit that will help you score green cred before you leave the house in the morning.

Become a Pinterest fan, repin from our back-to-school board and you could win an iPad and green books.

For the holiday weekend, and all summer long, try this easy trick for making a lot of large ice balls at one time.

If you’re gluten-free or just avoiding the dreaded beer belly, consider trying these lighter, lesser-known alternatives to beer instead.

Diluting whisky makes it more flavorful, according to a study out of Linnaeus University in Sweden.

The oddball asteroid Lutetia is a rocky remnant of the material that formed Earth, Venus and Mercury about 4.5 billion years ago, a new study suggests.

It can be hard to determine how much seafood you can eat safely while meeting your nutritional needs. This online seafood calculator lends a helping hand.

An impact basin spotted on Mercury with two smaller craters above it looks remarkably like the sweet treat-loving Cookie Monster muppet of "Sesame Street" fame.

This is a great week for planetary observers. Mercury is in its best position as a "morning star" for observers in the Northern Hemisphere while Jupiter is at i

The discovery of huge amounts of water ice and possible organic compounds on the heat-blasted planet Mercury suggests that the raw materials necessary for life

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

Think you're an expert at talking trash? Then you won't be afraid to test your recycling knowledge.

Sometimes scientists infuse some pop culture into their species names. Can you match the celeb to the critter?

Bacteria live everywhere in your body, including your gut. These microbes have quite an impact on your health. Do you know what they do?

The Earth's mountains, rivers, animals and rocks have been around for millions or billions of years. Do you know which ones have been around the longest?

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

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

A study found that while plastic bag litter has decreased in the U.K. seabed, other forms of pollution have increased.

After more than a decade of anti-climate spin, the folks at DeSmogBlog say enough is enough. ClimateTV will respond to the daily lies of the climate denial mach

255 top climate scientists are reiterating their conclusions on global warming in the face of increased e-mail attacks.

Today HP unveils a breakthough in powerful computer chip technology that can process data, store memory and stack 3-dimensionally.. just like a brain synapse.

Paper that stops bullets and yarn that conducts electricity.. it sounds like Sci Fi, but Nanocomp is making these futuristic dreams a reality.

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

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

Finnish scientists are studying the possibility of turning water droplets into digital bits and using them to power computers instead of electricity.

A scientific team from South Korea has just created the first bendable lithium ion battery.

A prototype wearable computer runs on its own OS, features 720p displays over both eyes and recognizes facial and hand movements.

A new style of tiny lithium battery that can charge wirelessly could help make cyborg grafts an imminent reality.

From data storage to time-saving, a seamless network of everyday objects in the workplace would make offices more efficient and productive in a variety of ways.

Experts predict the World Wide Web will become seamlessly integrated into every aspect of our lives — but with a dark side to consider.

There's no turning back now: We're on the brink of a new tech revolution, but what will it mean for our daily lives?

Intel's Compute Stick turns your big TV into a working Windows computer.

Do energy vampires haunt your living room? Find out if you are electricity-savvy with your entertainment devices.

Benny the beagle was the subject of a 1,000-person search that also involved a helicopter.

Few natural wonders encapsulate the sublimity, power and impermanence of the wild better than roaring waterfalls.

With the right equipment and preparation, it can be worth the hard work of venturing into the wilderness in winter.

Hundreds of hikers battle altitude sickness and frostbite as they wait in line to summit Mount Everest.

A trip to Costa Rica reminds the author of the chemicals you avoid when buying organically grown products.

Check out this infographic, which breaks down the importance of organic food, how mobile usage affects purchasing, food labels and more.

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

Blue light doesn't help you sleep, and you're exposed to a lot of it.

One company’s answer to the waste of plastic tasting spoons is simple but effective.

Before you use CFLs in your home, be sure you understand what to do should a bulb break.

Scientists are still trying to determine what happened to the levels of mercury in Utah's Great Salt Lake, which have dipped by almost 90 percent.

The research reveals genetic clues about the insects' behavior, making it possible to target specific attributes.

A lot of people thought white and yellow dandelions were different plants.

Rescinding a 2014 ban, the planting of genetically-modified crops and the use of neonicotinoid pesticides are allowed in U.S. national wildlife refuges again.

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

In exclusive and exceptionally irrigated Rancho Santa Fe, residents now face water rationing.