The rover was originally meant to only live for 90 days.

Life-affirming data from 1976 was dismissed as a 'false positive,' but former NASA scientist Gilbert V. Levin is speaking up.

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

Sara Rue becomes a mom on and off the set of 'Malibu Country'.

Jesse Metcalfe talks about his green-minded character on 'Dallas' and the loss of Larry Hagman.

Steven Baldwin stars in 'Be My Valentine' on Hallmark Channel with Natalie Brown.

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

Rebecca Hall ('Vicky Christina Barcelona') stars in HBO's 'Parade's End' with Benedict Cumberbatch.

Plus: The daughter of the late wildlife expert Steve Irwin stars in Hallmark movie.

'Mad Men' star turns contemporary detective in 'Top of the Lake'.

Actress helped create wells in third-world countries.

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

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

Event showcased the latest green products to eat, wear, and buy.

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.

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

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

Psychologists wanted to know why some people are more likely than others to be proactive. Here’s what they found.

Meet the environmental organizations wielding the power of Facebook to inspire, educate and advocate for the planet.

Accolade recognizes Turner's 'remarkable commitment to protect and preserve our natural world.'

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.

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

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

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

New Hampshire distillery Tamworth turns the healthy spice into a tribute to Alexander Von Humboldt, the "forgotten father of environmentalism."

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.

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

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

Spending cuts are the talk of Washington these days. Some are looking to make big political gains with cuts that won't create measurable savings.

The White House is taking a political risk: Spurn environmentalists enough times, and they might return the favor.

As GOP presidential hopefuls sound the alarm on the global warming hoax, we've uncovered the smoking gun: irrefutable proof, backed by flawless logic, that clim

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

What would environmental policy look like under Paul Ryan? The U.S. vice presidential candidate is a self-proclaimed 'avid outdoorsman,' but his policies often

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

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.

President Barack Obama will announce a comprehensive plan to reduce greenhouse gas emissions in a highly anticipated speech today.

The Montreal Protocol, which phased out ozone-killing gases, has helped. Meanwhile the oceans are warming faster than ever.

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

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

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

The U.N. summit is going on despite recent terrorist attacks, and it does so with diplomatic momentum as well as a renewed sense of global solidarity.

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.

A political action committee aims to connect the STEM community with the resources to run a successful campaign for political office.

While the scientist try to figure out why type 1 diabetes is on the rise, let's do our parts to make sure our kids don't develop type 2 diabetes.

Researchers present results of the ORIGIN study evaluating 12,500 patients in 40 countries.

A joint scientific statement reveals that the use of sugar-free products doesn't necessarily guarantee a smaller waistline.