To prepare for future colonies on Mars, NASA is asking for ideas on how to keep Red Planet astronauts safe that require minimal resupplies from Earth.

NASA aims to launch a flight test Thursday, June 4, of an innovative "flying saucer" that could help humans land on Mars in the future.

Elon Musk says nuclear detonations on the red planet offer the quickest path to making it habitable. But what other options are there?

Holiday gift ideas for future astronauts and solar system aficionados.

The European Space Agency's ExoMars mission is a two-phase operation that will look for methane, ice and landing sites for future rovers.

Magnetic force fields may be the secret to deep space exploration.

NASA unveils new spacesuit for the first woman and next man to wear on the moon in 2024 and eventually Mars.

Plus: National Geographic turns 125 and more Ecollywood odds and ends.

Australian actress Rachel Ward is featured in 'Pioneers of Television: Miniseries'.

Viola Davis and Emmy Rossum do their part.

Eco at the Oscars, TV dogs, elephants and 'Sharks'.

Plus: Heidi Klum’s Earth Day and Howard Stern’s animal instincts.

Markus Imhoof investigates the crisis in his dramatic documentary. A Q&A with the director of 'More Than Honey.'

Discovery hopes so as it debuts 'Shark After Dark.'

Marilu Henner and others stage reading 'Surviving Grace,' a play about Alzheimer's.

Comic artist Rob Lang gives animals a way to speak their piece with "Underdone Comics.'

Conservation photographer Krista Schlyer is documenting the people, wildlife and landscapes of America's 'forgotten' river.

California's Anza-Borrego Desert State Park is home to a natural desert oasis, complete with huge palm trees and gravel-bottom wading pools.

Palm oil's effect on the environment and the people directly and indirectly involved with its creation is detrimental. Here are some of the issues.

The Environmental Voter Project has a plan to awaken a sleeping giant in American politics.

Media mogul offers to lobby at no charge in support of wind power.

An economist and an ambassador to a petroleum-rich country talk about the current state of climate policy in the United States.

Taiwan-based NMA.tv, famous for its satiric animations, releases a new video about Canada's decision to withdraw from the Kyoto Protocol.

Global warming will march on regardless, argues writer Sami Grover. Maybe it's time to get more ambitious in our response.

The new U.S. plan to limit power plant emissions is 645 pages long. Here's what you need to know.

If things like saved lives and prevented illnesses have a dollar value, efforts to stabilize the climate might pay for themselves, two studies find.

The new U.N. climate agreement is being called 'a monumental triumph' and 'a turning point for the world.' Here are a few key points to keep in mind.

Cholesterol-lowing drugs called statins have been shown to increase the risk of diabetes in some people, but this potential harm is outweighed by the benefits o

Researchers find distinct differences in the intestinal bacteria between patients who have type 2 diabetes and those who do not.

New research supports the hypothesis that parasites could have a role in preventing certain diseases.

The Big Picture Campaign is empowering youth to change the conversation about Type 2 diabetes with poetry that could help solve our country's food ills.

Nearly half of all air pollutants exceed breathable levels and they often have a dangerous impact on our health.

Why actually create your own status updates when your computer can do it for you?

Back in 1971, Jane Goodall observed a group of chimps break out in civil war. Now new social network analysis offers an explanation for this violent behavior.

Man's Facebook plea goes viral as people from around the globe help stock boy's shelves.

This will create the world's largest virtual graveyard.

Some say that news articles from questionable sites shared on social media swayed the election, so these students took the challenge on.

By taking stock of what you want from your internet experience, you can customize your time online with the slow web.

This New Years Eve, I'll be raising my glass of biodynamic champers to the success of energy and money-saving home improvement projects.

SuperFood Drive is working to turn food pantries into nutrition pantries.

Eclipse glasses distributed to the homeless, plus where to donate your old eclipse glasses if you don't plan on reusing them.

Video: Rock star Bryan Adams chats about his Canadian homeland and what they're doing to stave off deforestation.

Video: Chuck Leavell, keyboardist for The Rolling Stones and the cofounder of MNN, finds out about the importance of having a single national wildlife refuge se

A protein complex has been shown to repair DNA damage caused by radiation or old age.

A small clinical trial suggests that suramin can reverse some autism symptoms with one dose, based on the theory of cell danger response.

The secret to a longer, healthy life might have been living in our guts this whole time.

Human trials are set to begin on the treatment, which cured 100 percent of mice during animal trials.

Using a single-pixel camera, a patterned light source and some computer processing, researchers have demonstrated a cheap way to do X-rays with "ghost images."

Airbnb is offering free housing for cancer patients and the people who care for them.

The Ozark chinquapin tree was believed to have been wiped out by blight, but it has slowly resurfaced.