Paris can be pretty unfriendly to tourists, but SmarterParis is a friendly new app that can make it easier.

Wyland Foundation's National Art Contest helps kids think about how they can protect the oceans.

Drilling in the Arctic National Wildlife Refuge was one of the few mentions of energy policy during the latest Alaska U.S. Senate Debate.

Since nothing quite says 'U.S.A.' like summertime grilling and imbibing, consider these entertaining must-haves from the Martha Stewart American Made Market.

Martha Stewart offers Thanksgiving-in-a-box, but there are advantages to cooking the big dinner the traditional way.

Meghan Markle, who just got engaged to Prince Harry and will be joining the royal family, has developed a passion for saving pups in need.

Leonardo DiCaprio, Linkin Park, Don Cheadle, and Sergio Marone are all judges in the Date with History contest, which will send one young visionary to address t

Being called a bird brain really isn't an insult, now that scientists have uncovered just how smart these feathered friends really are.

Greenpeace was trying to film mountain scenery at Glacier National Park, but a curious marmot had other ideas.

As California's new Advanced Clean Cars rules push electric vehicles one step closer to the mass market, could the smart grid be the sequel to 'California emiss

The autonomous aircraft Mars Helicopter heralds the beginning of a new era in our exploration of the red planet.

Electric vehicles, hybrids and plug-ins will be on the market by the end of the year. Here's a look into the crystal ball.

Every decision in the design of a grocery store is made to make you buy more stuff.

From what the new labels mean to how to properly apply it, here are the essentials to help keep your skin healthy in the sun.

The end has come for new stories about Middle-earth, but there will never be an end to how they will inspire.

Finland, the world's most literate nation, rings in its 100th birthday with the opening of Oodi Helsinki Central Library.

This time-lapse video explores a full day at the checkout lanes of a Walmart store in New Brunswick, New Jersey.

Denmark's Green Free School in Copenhagen focuses on creating a sustainable future for all.

Yellowstone National Park is established, and a hydrogen bomb is detonated.

A new national park opens and a conference that dismisses climate change is held.

The U.S. Department of the Interior and the U.S. Geological Survey are founded.

Hernando Cortez arrives in Veracruz, and a natural gas pipeline explodes in Louisiana.

A nuclear treaty goes into effect, and Lake Champlain becomes 'Great.'

Wildfires rage across Texas and Oklahoma, and Spain gets a windy weather energy bonus.

A noted botanist is born, and evolution can't keep up with extinction.

An Italian volcano erupts, and BP is warned about 'unstable' cement.

An EPA chief resigns due to scandal, and kangaroos become unprotected in the U.S.

A seashore is protected, and a religious group wants to 'do better' on climate change.

A blizzard buries the northeastern U.S., and the American Alligator becomes endangered.

The Great Blizzard of 1993 strikes, and a rock star becomes an environment minister.

Exxon pays for the Exxon Valdez spill, and a tire fire burns in Philadelphia.

Einstein is born, and the Pelican Island National Wildlife Refuge is established.

Oil gushes from California, and a spring blizzard freezes the U.S. Midwest.

'The China Syndrome' is released, and the Ford Excursion makes its debut.

Mount Agung erupts, and a law aims to reduce the amount of antibiotics used on livestock.

Johnny Appleseed dies, and Cornwall has an oil spill.

Colleges and high schools have gathered in Detroit to show off their super-efficient home-built hot rods. Meanwhile, Shell is building its own fuel miser.

New results from NASA's MAVEN spacecraft suggest that the Red Planet lost most of its carbon dioxide-dominated atmosphere to space about 3.7 billion years ago.

Mars may one day have rings similar to Saturn's famous halo, new research suggests.

The InSight lander is equipped to study the Red Planet's interior in unprecedented detail.

Sales of German luxury cars are up since the sanctions lifted.

This opposition, which occurs every 2 years, is considered relatively favorable and precedes another event when Mars will be at its closest to Earth all year.

The FDA is re-evaluating what the term means when its used by food manufacturers, but maybe it shouldn't be used at all.

December's annular solar eclipse looked like a "ring of fire."

NASA's latest red planet rover look for signs of ancient life as it paves the way for human exploration.

Humans have detected and confirmed seismic event son another planet. Here's what you need to know about "marsquakes" and what they mean.

Get ready to spring forward, get up early and catch some beautiful sights in the March sky like the Crow Moon, the occultation and vernal equinox.

To find life on Mars, we may have to send probes and people into this hole.

When investors spend billions on baby boomer housing, is this smart money or is it missing the demographic boat?

Three markets were chosen as America's favorites. Was your favorite market at the top?