It may take less of an increase in global temperatures to melt the ice sheet covering Greenland than thought, new research suggests.

Pine Island Glacier holds back part of the massive West Antarctic Ice Sheet, whose thinning ice is contributing to sea level rise.

Alicia Richman donated more than 11,000 ounces of breast milk between June 2011 and March 2012.

New study finds most of the breast milk sold on the Internet is contaminated with bacteria.

The head of the U.N.'s World Food Program talks about how we can fix the hunger problem.

Discussions about the Russian meteor explosion and Earth's encounter with asteroid 2012 DA14 were high on the Feb. 15 agenda of a UN meeting.

A new international effort will monitor potential asteroid threats and examine how to deflect them before they hit Earth.

An early alert system and rapid space launches are two ways that the UN is coordinating with other agencies to deter asteroids.

UNESCO protects more than landmarks and culturally-significant sites. There are intangible parts of culture that are important, too.

Each day, the average American throws away enough food to keep another person from going hungry.

Photographer Frank Liu captured photographs of a polka-dotted zebra in Kenya that ended up published in National Geographic.

Astrophysicist is using 3-D images generated by a supercomputer to understand what happens with a supernova explodes.

A recent study featuring blog posts from fictitious Italian politicians found the use of swear words made candidates sound more relatable.

Climate scientist James Hansen was arrested on Feb. 13 outside the White House while protesting the Keystone Pipeline.

I love brown rice, but we eat white rice now. Find out why.

This 753-acre piece of Southern history is located only 30 miles from downtown Nashville.

We can thank 3 important books published in the 1940s for the certified organic produce we see in stores today.

With campfire season just around the corner, the Explorers Axe collection will help you chop — and look — smart.

Decades after the world's two biggest previous nuclear disasters, NBC's Jeff Rossen and Michelle Kosinski look back at the impact of the meltdowns.

According to a government study, Russia is covered with tens of thousands of ecological disasters.

Extremely low levels of radioactive cesium from the Fukushima nuclear meltdown are present in ocean water offshore California.

Even years after the onset of the Fukushima nuclear disaster, radiation is still making its way across the Pacific.

Urban development is set to triple in the first three decades of this century, the largest cityscape expansion in human history, according to a new study that f

Protesters celebrate in North Dakota as the Army halts the Dakota Access pipeline, but many of them still aren't leaving.

Gatherings of hermit crabs over a deceased crab may look like a funeral, but they have a much more selfish purpose.

The just-unveiled glass-bottomed walkways at Tower Bridge offer a dazzling new way to see the city. And, yes, ladies can wear skirts without fear.

Let your hair down and party like it's 1899 in a converted Victorian sea fort off of the Isle of Wight.

Urn-believable you say? Columbia University's DeathLAB will soon find out.

That tub of Vaseline that you probably remember seeing in your grandmother's house warrants a spot in your medicine cabinet, too.

Ancient tree stumps set the tone at Neskowin Ghost Forest in Oregon.

In a step in the right direction, Whole Foods announces it will remove all unsustainable seafood choices from its stores by Earth Day.

Sprouted grains, legumes, nuts and vegetables are showing up on the store shelves. Here’s what you need to know for a basic understanding.

Looking for a CEO job and know Sanskrit? Do you have Bill Clinton on speed dial?

On a journey to learn how to ski, keeping one mantra in mind helped this writer merge a beginner's mind with mastery.

Watch as this dog is guided through a series of yoga moves by his owner, Nic Bello.

Meditation still works even if you can't completely clear your mind of distractions. Just keep gently pushing those thoughts away.

Actress one of 100 people detained today while protesting the proposed Keystone XL oil pipeline.

Actress Daryl Hannah and landowner Eleanor Fairchild were taken into custody after standing in the way of heavy equipment being used to build the southern porti

Controversial clean energy hits major setback from area Massachusetts tribes.

Will Minnesota's most mystique-filled home go the way of Graceland?

He may not have won an Oscar, but the director of "Gasland" isn’t backing off the natural gas industry.

Despite leading the charge for voluntary disclosure of fracking chemicals, Chesapeake Energy is now resisting revealing what was spilled during a blowout in Pen

A dog that was found three weeks after the massive earthquake and tsunami hit Japan was reunited with her owner, who saw the pup on local news.

The massive tsunami generated by the March 2011 earthquake off the coast of northeastern Japan was a "merging tsunami" — a type of tsunami long thought to exi

A recent study led by European researchers found Fukushima is not alone, as 22 other plants around the world may be similarly susceptible to destructive tsunami

Meet Chris Robinson, an average California dad who just happens to be constructing a 22-foot-long tsunami escape pod out of plywood in his backyard.

Airbnb celebrates its presence in L.A. with a city-wide 'hospitality experience' revolving around prefab studios with celebrity-designed interiors.

Design studio Minarc partners with Habitat for Humanity to (very quickly) bring affordable, net-zero energy prefab homes to low-income areas of South L.A.

Assembled on site in just 2 days with the aid of screwdrivers, this boxy plywood beauty is designed to last at least 150 years.

Surprising evidence linking Australia and Canada reminds us that our planet is a dynamic place.