Your body clock influences what time of day you burn more calories.

Thomas Panek just became the first blind runner to complete the NYC Half Marathon with guide dogs.

These half-dozen exercises will help you shed pounds if obesity is in your genes.

Climatologist documents Greenland's warming conditions with a photo of sled dogs splashing in meltwater on top of sea ice.

The Amazon rainforest fires have been burning for 3 weeks, and some are wondering why Brazil's crisis isn't getting more attention.

Before clean air laws were passed in Pittsburgh, smoke left buildings in a nighttime shroud all day, yet air quality issues aren't really in the past.

Can a vacuum suck up China's smog? Daan Roosegaarde will test his new technology soon in Beijing's parks.

Tokyo, which cleaned up its act in the 1970s, is a role model as the Chinese capital starts to address some of the world's worst air pollution.

What good is it if all of the historical cities and natural beauty in China are covered by haze?

Skeptics question whether China can grow its economy and fight emissions. The truth is, it has no choice.

The Gogoro Smartscooter doesn't have a plug; Instead, you swap batteries at a GoStation and you are on your way.

Research found no major difference in asthma rates of inner-city kids and those in other communities.

Since its release last Saturday, the film on China's crippling pollution has been viewed over 100 million times.

PVC puts out a lot of nasty stuff when it burns, and it's probably still in the soot.

Preference for "cleaner" male trees and plants in urban settings may trigger extra sneezing and wheezing. That's botanical sexism, says Thomas Ogren.

This is what London's air would look like without cars.

This NASA image highlights wildfires, hurricanes and dust storms to show off the Earth's air quality.

Five of the best 7 months for Beijing air quality have occurred since last summer.

Falling levels of air pollution have resulted in a drop in California's dense tule fog.

A new study suggests that dark matter from the galactic plane may have been what really killed the dinosaurs — and it may one day threaten us.

Re-wilding nature is always controversial, as evidenced by the conflicting views in North Carolina over the reintroduction of the red wolf.

Death by acid was the fate of the sea monsters that perished in Earth's biggest mass extinction, some 251 million years ago.

This video is a good warning of the future of wildlife if populations continue to decline as Living Planet assessment reports.

The discovery offers new insights about dinosaur plumage, hinting at a 'chestnut brown' creature that couldn't fly.

The Jambato harlequin frog had been feared extinct for at least the last 30 years.

At least five similar die-offs have happened before, but this is the first in human history — and the first with human help.

The crest-tailed mulgara was once a common sight in New South Wales deserts before other predators edged it out of the habitat.

Researchers discovered a Chelonoidis phantasticus giant tortoise on Fernandina Island. The last time this tortoise was seen was 1906.

Researchers extract nuclei from a preserved woolly mammoth carcass, implant them into the egg cells of mice, and watch as the bits became animated.

Zest up your holiday feast with these must-have sauces and spices.

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

Take the quiz to win 4 tickets and VIP access to one of the band's end-of-the-year shows in Atlanta.

There were so many adorable puppies entered in the Green Dog of the Year Contest, that we couldn't resist! Here's a gallery of 10 green puppies.

3 MNN Twitter fans will win a DVD of 'The End of the Line,' a documentary about overfishing that is narrated by Ted Danson.

Fans of Mother Nature Network's Facebook page can win a box full of green, limited-edition Ball® canning jars and much more.

Six West-Coasters do a Kentucky Bourbon taste test. It gets funny.

What do you get when you merge superfoods and quality spirits? Cocktails for those who want to integrate mindfulness into all parts of their lives.

If you're forgoing alcohol this January, keep your taste buds entertained with these non-alcoholic drinks.

The 2014 farm bill removed some of the barriers to growing hemp. Humboldt Distillery ran with it.

Low-calorie cocktails abound, even if they're not labeled as such. The key is knowing the amount of alcohol and sugar in what you're drinking.

The Maple Guild produces organic, non-GMO syrup from the largest sugar bush in the world.

The Finns have a word for drinking alone at home in your underwear. What other cool foreign food words don't we have?

Stealing bar glasses to keep as a souvenir goes way back and plays a key role in the mint julep, Kentucky Derby relationship.

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

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.