What caused the planets to neatly divide into terrestrial and gas giants? Scientists believe they now have the answer.

China releases a massive batch of images from its mission to the far side of the moon.

Using images from its Lunar Reconnaissance Orbiter spacecraft, NASA reveals the moon's 'dark side' in 4K as observed by the Apollo 13 astronauts.

Video highlights the history-making women at NASA for Women's History Month.

Multi-generation living may get even more multi-generational if current demographic trends — like boomers aging — continue.

In Japan, they call it "rougai." In North America, the rage against older generations is about to get much, much worse.

This isn't an aging problem, it's a design problem.

Who says you can't outrun old age?

Commodities trader stockpiles crops and bets on high futures.

In the past year, the greatest increase in farmers markets has been in the Midwest.

Executives keep a tight lid on the secret to successfully selling grocery staples to the masses.

MSNBC offers some useful tips for making a trip to the local farmers market more productive.

A new bill seeks to make fresh, healthy food more accessible to consumers and support the farmers who grow it.

We may aspire to eat like foodies, but in reality, we often reach for 'familiar' fare.

You can fight obesity, reduce hunger and support your local farmers — all at the same time.

Video: Alexandra Cousteau and Expedition Blue Planet follow Colorado's dry riverbed to its historic mouth in the Upper Gulf of California.

Video: Alexandra Cousteau investigates The Hoover Dam and the draining of Lake Mead.

Alexandra Cousteau speaks with Pitt, who points out we have hit the age of limits on the Colorado.

Video: Alexandra Cousteau revisits the TVA Kingston Coal Ash Spill, which was six times larger than the Gulf oil spill.

Alexandra Cousteau revisits Scott St. Pierre in Louisiana and learns how he and others are coping with the oil spill.

Alexandra Cousteau searches for the lost creeks that now flow under Toronto roadways.

NN and Eukanuba are looking for the Green Dog of the Year. Enter your dog for a chance to win a year's supply of Eukanuba Naturally Wild Formula

Whip up some cool Halloween costume ideas, starting with simple cardboard.

DIY Christmas ornaments add nature to your decorations

Send love into the world with a little bit of creativity and paint.

Matt Pember shares an excerpt from his new book that shows you how to make a miniature greenhouse using old windows.

Despite lawsuits, the DOE awards the all-electric auto manufacturer its first big government loan.

The U.S. Energy Department wants you to save green by painting your roof white -- as long as it doesn't make your neighbors see red.

Two groups have received $80 million in funding from the ARRA for advanced biofuels research.

The U.S. Department of Energy recently awarded $24 million to three algal biofuels research projects.

Administration stimulus spending has jump-started an unstoppable EV revolution, says President Obama. Because of the Recovery Act, the cars will plummet in cost

Turbine sites in Delaware, Maryland, New Jersey and Virginia identified as prime parcels for projects.

Republicans in Congress have delayed part of a 2007 law that would require U.S. light bulbs to be more energy-efficient, scoring a symbolic victory.

Breaking from many in her party, Alaska's Lisa Murkowski says 'there is a role' for the federal loan program that financed the now-bankrupt solar firm.

The third time's a charm for the resiliency-minded contender from New Jersey.

6-year-old Jermaine Bell cashes in his Disney World Fund to buy hot dogs and water for hurricane evacuees.

The International Garden Photographer of the Year honors 16 photographers for their macro images of plants and animals.

There's a poaching ring focused on some succulents in the genus Dudleya, which can fetch millions on the black market in East Asia.

Gardener Donna Stumphf wanted to grow a few vegetables for the needy and ended up with more than 1.5 tons.

A documentary introduces world-renowned garden designer Ryan Gainey, who was a self-taught visionary who had a distinctive style — and complex relationships.

Video: A study conducted by Consumer Reports found BPA in almost all of the 19 name-brand foods tested -- from juice to chicken soup and tuna fish -- raising co

North Carolina, Virginia and South Carolina may have something to gain when it comes to offshore drilling, but the events of 2010 remind us that they also have

The winds and waves of Hurricane Sandy spilled enough sewage to match BP's oil spill more than 50 times over.

See how much plastic you can keep out of landfills if you start recycling in the bathroom today!

A fleeting ban on the ubiquitous landfill-clogger is overturned by a Manhattan judge.

Mealworms are able to safely subsist on a diet of polystyrene, researchers have found.

The turtle survived, but a video of the ordeal demonstrates why recycling can be a matter of life and death.

Onward Bag is landfill-skirting design at its most ingenious.

Popular online shopping holiday produces billions of dollars in sales — and billions of boxes in the trash.

Sweden, a recycling-happy land where 810,000 homes are heated by the incineration of waste, is facing a unique dilemma: It needs more fuel.