Former astronaut Buzz Aldrin says the $3.5 billion spent annually on the space station should go towards efforts to colonize Mars.

NASA has just released an image of a unique hole on the surface of Mars.

The fourth planet from the sun, Mars is one of our closest neighbors in the solar system, and yet it remains a mystery.

Katie Leclerc's character gets a food truck on 'Switched at Birth.'

Green Grammy goodies, wolf hunt, 'Earth from Space,' 'Reef Wranglers'.

A solar computer bag, which comes with charging adapters for various devices, was popular item with celebs like "Modern Family" star Rico Rodriguez.

'Bones' star juggles hit show and eco-conscious motherhood.

We chat with co-hosts David Frei and John O'Hurley to get a behind-the-scenes look at this year's event.

Former Hell's Angel Tim Medvetz plays the role of motivational 'bus driver' to a group of unlikely adventurers.

Honey bees between pollination gigs still need to eat. Efforts are underway to keep them from starving when they’re off the clock.

This one tip can save up to 20 percent of the energy your refrigerator uses.

The co-founder of Soshal Group says if we want to influence the future of ethical business, we have to talk about it differently.

University of Minnesota researchers claim to have created a 'perfect' soap molecule that's better for the environment.

Trees in Vermont and New Hampshire are becoming stressed and are producing less syrup.

Stewart Brand, creator of the Whole Earth Catalog, helped shape the future we live in now.

CIWEM Environmental Photographer of the Year contest captures how humanity is coping with climate change.

A new IPCC report is about to come out that proves what we all know already -- there is most definitely a connection between climate change and extreme weather.

Worried about input costs, beer titan Molson Coors went green mainly to save green. If the end result - less waste - is to the planet's benefit, why should we c

NYC Mayor Michael Bloomberg's surprise endorsement of Obama follows the devastating effect of Hurricane Sandy on New York City and the Northeast.

The percentage of Americans who believe the climate is changing has grown, and 64% of Americans favor regulations to reduce greenhouse gas emissions.

President Barack Obama took a strong stance on fighting climate change, "for the sake of our children and our future."

New interactive game takes a closer look at national policy choices that affect food security around the world.

It's easy to blame the corporates, the governments, the multi-nationals. But how different is it on the local level, the personal level?

Fearful of late summers and early springs trimming their seasons, ski areas all over the United States are calling for action on climate change policy.

Arguing that 'Americans are already paying the price of inaction,' Obama unveiled an unprecedented national climate strategy in a sweltering speech Tuesday.

Southern Asia, western Europe and southern Australia are among the areas at most risk.

Crunching the numbers yields dividends, like a calculator that can measure the green score of electric cars anywhere in the country.

In a speech in Indonesia, Secretary of State John Kerry also derided "head in the sand" climate change deniers.

President Obama's power plant plan has gotten plenty of blowback from coal-state politicians, but it's popular with Americans.

Oceanic Preservation Society will project images of climate change and threatened species on the iconic building ahead of this weekend's Climate March.

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

Environmental org's 'Night of Comedy' brings laughter amidst a changing political landscape and growing concern over the impact of climate change.

In a surprise announcement, Earth's two largest economies revealed a game-changing agreement to cut carbon emissions.

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

Celebrity doctor's unofficial audience test promises weight loss with no change in diet or exercise, but there is one downside.

Researchers isolate a gene mutation that might give a strong indication on whether or not a person will develop type 2 diabetes.

Recent research finds that grapefruit juice stems weight loss by 18 percent in mice and may be as effective as diabetes drugs.

Facebook knows who your romantic partner is, even if you keep that information private, and can even predict if the relationship will last.

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

With a donation of $970 million, the Facebook co-founder has become the country's top philanthropist for 2013.

The boy who eats lunch alone in the school office everyday because no one will sit with him now has more than 1.2 million likes on his Facebook birthday page.

Watch how one man's donation contributed to surgery that enabled 3-year-old Congo native Loic Mbeze to walk.

General Mills scraps new legal terms that served to waive the rights of Facebook fans and coupon users to sue the company.

We know photos in magazine ads and TV commercials are altered, but are you aware of the Photoshopping on your friends' selfies?

Thanks to the power of social media, Chester the pit bull spent his first Easter with his new family.

Pancake was born with a skeletal deformity and has to rely on only her back legs, but it sure hasn't slowed her down.

Hanan al-Hroub honored with $1 million prize for assisting children exposed to violence.

Officials anticipate raising big bucks from the sale of lovey-dovey padlocks removed from Paris' bridges.

When disasters strike, we want to help the victims, even from thousands of miles away. Consider these giving strategies to make sure your donation counts.

Do Good Bus offers a fun way to help others and make friends by connecting volunteers with community causes and each other.