Amaro, the key ingredient in the classic Negroni, is an Italian spirit that's seeing a resurgence on bar menus through the U.S.

Mercury is not just hellishly hot but apparently covered in brimstone. A vast part of the planet is covered with dried lava – enough to bury the state of Tex

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.

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

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

Mercury, named for the Roman messenger of the gods, is the smallest planet in our solar system and the closest to the sun. Check out these amazing images

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

Crows and ravens are some of the smartest animals on the planet. So what do you know about them?

Let's see how well you know your own species' family tree.

From paws and hooves to claws and talons, a variety of animal feet walk upon the Earth. Can you recognize the animal based on its foot alone?

When your head hits the pillow at night, do creatures lurk? See how much your know about terrifying dreams.

Take the tail end of a hint and see if you know the answer!

There are those of us who aced AP calculus, and there are those of who can't figure out the tip. Take our quiz to find out just how much of a math whiz you are.

There's no confusing a giraffe baby with any other creature. But some animal infants don't always resemble their parents.

Animals use their senses to detect other animals, communicate and do some wild things. Can you identify the super senses of these animals?

Dogs have incredible senses and are like superheroes on four legs. Take this quiz to test your canine know-how.

From the cheetah to the hare, so many creatures are wickedly quick. Test your trivia smarts on what makes them so swift.

The Sustainable Energy Coalition lists 7 facts about the growing green jobs sector.

Climate activists call for action to strengthen the most important piece of environmental legislation in history.

The vision of an energy-efficient super grid that allows powers companies to communicate real-time may be possible through Google-Spectrum Bridge partnership.

Actor joins fight against the Keystone XL pipeline, a route connecting the tar sands in Canada to refineries on the Gulf of Mexico.

For almost 40 years, Art and Nan Kellam lived off-grid on a Maine island, eschewing modern technology, but not each other.

Impact Energies sells and leases solar panel systems to people making less than $6 a day in Ghana. It was acquired by Persistent Energy Partners.

MNN introduces you to the key characters in the Eco-bama drama including Steven Chu, Carol Browner and more.

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.

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

Organic supermarket chain EkoPlaza teams with an anti-plastic waste group to launch a supermarket aisle liberated from plastic packaging.

A Product Impact Dashboard tells you exactly how much rubbish was used to create Pentatonic's cushions, tables and serving bowls.

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.

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.

These plastic filters far surpass plastic straws in coastal cleanup tallies and they're toxic on land, too.

Can you spot all of these incognito critters?

The newly identified species weaves silky air chambers to survive high tide.

Wildlife biologist Steve Barlow has invented a nest box that can be added to utility right-of-way markers across the U.S. and Canada.

The Bramble Cay melomys lost most of its habitat to rising sea levels.

In case you want to give brain-training games a shot, here are 4 to try.

Video: A controversy over e-mails leads FOX to wonder why Obama would bother flying to Copenhagen for the climate summit. Our blogger responds.

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

Academic Board of Inquiry has cleared the scientist at the center of "Climategate" and his "trick." So will the spin machine finally shut up?

wo new studies on how Americans perceive climate change is a testament to public confusion and an urgent call for better messaging from the scientific communit

Two new studies on how Americans perceive climate change is a testament to public confusion and an urgent call for better messaging from the scientific communit

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

Finally.. an iPhone app that decodes the labyrinth of climate hoaxes and skeptic psuedo-science.

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.

For the media, exonerated climate scientists aren't nearly as interesting as evil, manipulative ones.

A study funded by the Koch brothers debunks Climategate, but the cable news media doesn't cover it.

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