NASA is getting ready to launch a daring test flight of a capsule that could eventually bring humans to deep-space destinations like Mars or an asteroid.

A new 4-minute film casts digital humans in real extraterrestrial destinations, guided by the timeless words of Carl Sagan.

A giant crater on Mars may have been able to support microbial life for millions of years in the ancient past.

NASA's Curiosity rover is continuing to help scientists piece together the mystery of how Mars lost its surface water over the course of billions of years.

A mystery is brewing on Mars: Amateur astronomers spotted enormous plumes erupting off the Red Planet's surface, leaving scientists puzzled.

Mice zapped with cosmic rays can incur brain damage, suggesting that astronauts' brains could suffer over time on deep-space missions to Mars and beyond.

NASA's Mars rover Curiosity has found a new route to some interesting rocks after its original path proved too difficult to traverse.

NASA Administrator Charles Bolden says the agency's current goal of getting astronauts to Mars in the 2030s is eminently achievable

Not only do we need to keep Earth safe from alien microbes, but we need to keep space safe from Earth microbes.

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

A fresh batch of satellite images showcasing the red planet's diverse topography is providing scientists with valuable data for future travel to Mars.

The Mars InSight lander, developed to peer deep into the red planet's interior, is slated to launch on the morning of May 5.

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.

See the stunning images captured over 15 years by the European Space Agency's Mars Express in this beautiful greatest hits montage.

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

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

New Discovery series 'Lone Target' turns Joel Lambert into human prey.

The backwoods genius of 'Billy Bob's Gags to Riches' lives high off low-brow novelties.

Large-scale installation, by artist John Gerrard, simulates the sun and night sky above a solar thermal plant in Nevada.

People have done this forever, but today's technology makes it easier and faster.

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

They may not be as well known as Rachel Carson or Jane Goodall, but they've contributed in profound ways to the environmental movement.

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

For a generation, activists have built their protest movement on the scientific facts of climate change. But the facts of another kind of science — neuroscien

In a goofy, profane, self-mocking rap video, a handful of young Australian climate scientists preach an inconvenient truth: There are two few scientists at the

The now former congressman leaves behind a lengthy pro-environment record.

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

While they declined a televised science debate, the candidates did provide written answers to 14 questions from the country's top scientists.

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

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.

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

Reducing carbon dioxide may be solved in storing emissions in deep, subterranean rock throughout the country.

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

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

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

New study may help doctors and patients find a better balance between diabetes control and quality of life.

New German study finds that people taking this type of generic diabetes medication were less likely to develop diabetes.

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

Babies born via scheduled C-section were more likely to develop asthma and diabetes.

Funding for the newest Breakthrough Prize is announced as the awards for life sciences and physics are given at a California ceremony.

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

The social network's acquisition of the makers of the Oculus Rift headset promises to change the way we experience online media.

Many of the social media network's users were outraged to learn they could've been unwitting participants in the study.

If there was an 'unlike' button for renovation projects, the 30-year-old social media tycoon would have earned himself more than a few thumbs down.

For many Facebook users, the urge to like a kitten video or snoop on a high-school flame is almost irresistible.

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.

The U.S. Department of Energy has awarded $29 million in Recovery Act funding for weatherization training centers in 27 states.