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

Satellites, landers, rovers ... can a manned trip to the Red Planet be far behind?

Space law prevents rovers from contaminating H2O on Mars.

Finding water ice could change everything we thought we knew about the red planet, and make colonization feasible.

It would be the first heavier-than-air craft flown on another planet.

NASA’s Mars Reconnaissance Orbiter captured the colorful anomaly while surveying a 'field of dunes' on the red planet.

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

An in-depth study into the resources and tech needed to turn Mars into Earth finds we're not quite there yet.

NASA says the unique Jezero Crater will revolutionize our understanding of Mars and its 'ability to harbor life.'

Mars' Korolev crater is a well-preserved crater permanently filled with ice.

The delicate tremble of aspen leaves in low-wind conditions may generate enough backup energy to save and extend the life of future Mars rovers.

Goat farmers 'The Fabulous Beekman Boys' take million dollar prize on 'The Amazing Race' after a rocky season.

Cast and filmmakers discuss the crime-fighting flick.

'Nashville' star Eric Close goes green by cleaning up after others.

Viola Davis and Emmy Rossum do their part.

ABC drama returns for its third season.

The actress, who follows a mostly vegetarian diet, stars in her first American TV show, 'Red Widow.'

Book signing party supports animal rescue charity.

Actress helped create wells in third-world countries.

TV networks hope animal-centric programming can lure viewers who care more about pets than the big game.

James Costa's new documentary looks at childhood obesity, school food and what fuels all those unhealthy cravings.

New Zealand residents are not happy that their pristine water may be exported for bottled water. The company that wants to export it doesn't want it to go to wa

Olympics officials are trying to make February's Winter Games in Korea one of the most environmentally friendly gatherings ever.

Short, dry days with no sunlight and cold temperatures? You can nurse your houseplants through the perils of winter with some simple care and attention.

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

At a campaign stop, retired environmentalist Anthony Samsel asked Mitt Romney a question about coal-fired power plants. Romney's response surprised him.

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

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

For people over 75, a diet high in sugar and fat doesn’t have much of a negative health impact.

New study finds that short, brisk walks after dinner may be more effective than other forms of exercise at preventing diabetes.

Following a Mediterranean diet may help prevent diabetes in people who are at risk for heart disease.

New study finds link between long hours at manual labor jobs and Type 2 diabetes.

A random YouTube video leads to the reunion of two sisters who grew up 5,000 miles apart.

Facebook tops the list of the country's best companies for internships.

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

Years of futile searching didn't work, but a single Facebook plea connects the two women in less than 24 hours.

Family, friends, and Facebook join in the efforts to remember Kristina Chesterman by making her biggest dreams come true.

The idea grew out of disaster message boards that sprung up on Facebook after Japan's most recent natural disaster.

New research shows that just clicking the 'like' button reveals more about us than we realize.

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

Many people today get their news via Facebook, but most probably give little thought to how the social media network filters the stories they see.

25-year-old wave runner Lindsey Russell undertook the 20-mile challenge to raise money for charity.

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.

Cardborigami's clever folding shelters offer the displaced a surprisingly sturdy alternative to tents.

Gut-wrenching appeals can mean fewer donations, say two British researchers who looked into marketing approaches.

You want to donate after a disaster, but give wisely so your funds get to the people who need it most.

Despite being dumped at 12 years old, Billy Goat the dog wouldn't end his days at the shelter.

With frigid weather throughout the country, communities offer the homeless respite from the dangerous temperatures.

A leopard cub left paralyzed by a car is pulling off a 'miraculous' recovery, thanks to the efforts of Wildlife SOS in Maharashtra, India.

Video: Chuck interviews Ray Anderson of Interface Inc., author of 'Confessions of a Radical Industrialist'.