Spliced from thousands of screenshots of the planets, NASA has created a new video of Mercury that shows off the planet's diversity in terrain.

Mercury, the smallest planet in our solar system, may hold clues to understanding how the Earth's moon was born.

There are many reasons to cast your eyes skyward this month.

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 smart are you when it comes to keeping clean and germ-free? Take our quiz and find out.

Our feline friends come in many colors and coat patterns, each with a name. How many do you know?

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.

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?

Former Carter advisor and energy guru S. David Freeman will become the 'environmental mayor' of L.A.

Google lays out a plan to make renewable energy cheaper than coal.

A dramatic film explores the physical and emotional challenges of living in a peak oil scenario.

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.

If fracking techniques pollute water supplies, what will happen to beer production?

Many people want to go off grid and lose the electric bill, but does it make sense?

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

Thousands of pounds of moldy cardigans and unsellable denim shorts are being burned in lieu of oil and coal at Västerås near Stockholm.

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.

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.

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

There's no perfect way to dispose of your dog's waste, but here are some ideas.

The dictionary's most popular word of the year has to do with 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.

The endangered African wild dog has a nose for democracy, according to a study, which explains how the dogs "vote."

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

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

Timing matters: Flowers bloom, insects emerge, birds migrate, and planting and hunting seasons are carefully coordinated times in order to take advantage of wha

A host of eco-features -- and the simple fact that the iPad delivers 3 devices in one -- may make it the greenest device of 2010. (Too bad Apple shareholders ar

Soil is drying up all over the world, Google is dropping big bucks building a wind power transmission line, and a spider and centipede battle it out.

Ann Louise Gittleman offers '1,268 Ways to Outsmart the Hazards of Electronic Pollution'

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

The new towers collect much more sunlight during the mornings, evenings and all days of the year regardless of clouds or shadows

Technology may be drastically changing each year, but there are a few older gadgets you can still buy without regretting your decision later.

Casio shows off realistic animated messages at Consumer Electronics Show

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

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.

Incentives for recycling old or unwanted electronics may be the best solution.

The latest agricultural apps are helping farmers boost productivity and profits.

Counterfeit certification labels on household electronics are a safety issue not to be ignored.

Greenpeace reports what the world's leading consumer electronics companies are doing to address their environmental impacts.

Famed naturalist and conservationist John Muir was so much more than the father of our national parks.

A video capturing the screech-filled feud has gone viral.

Carefully managed fire is used as a tool to protect wildlands from invasive plants and other threats.

Scientists scramble to understand the causes of colony collapse disorder.

A wildlife corridor in Brazil's Atlantic Forest will help animals like the golden lion tamarin thrive in its preferred environment.

Pando, the world's largest-known organism, is dying. But there might still be time to save this wonder of nature.