Invasive "crazy ants" have been displacing fire ants, and a curious defensive strategy may be behind the crazy ants' bold takeover.

Giant African snails have invaded the Galapagos, but two rescued dogs are sniffing them out and helping researchers fix the ecology of the islands.

These deadly mushrooms have caused five deaths in California since 2010, and even experienced mushroom gatherers can misidentify them.

Chuck Leavell, the keyboardist for the Rolling Stones and the cofounder of MNN, interviews rapper Ludacris about recycling, water conservation, and his foundati

The famed Hubble Space Telescope has captured a jaw-dropping view of a comet making an incredibly close flyby of Mars.

One hundred people are still in the running to become humanity's first Mars explorers.

NASA's huge supersonic parachute isn't ready to land astronauts on Mars just yet.

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

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

In a controversial book on ecotourism and endangered species, primatologist Craig Stanford reveals the economics of conservation.

This month's best programming is peppered with jobs of all shapes and sizes, the ramifications of climate change and plenty of amazing animals.

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

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

Don't dwell on the bad stuff that happened in 2016. Take a look at the year's best news.

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

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

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

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

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

Turns out a Granny Smith apple a day may help you drop pounds as well as fight disease, according to research.

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

Comedians Tripp and Tyler have envisioned a funny — and much more accurate — Facebook movie of their own.

Need to get friends and family off your back? There's an app for that.

It's rare, but it's real. Here's how to keep it from happening to you.

Epidiolex is the first marijuana-based drug to earn FDA approval.

Researchers in Brazil are experimenting with sterilized fish skin as bandages for burns.

Michigan state parks are teaming up with Bob Ross Inc. to plant lots of 'happy little trees.'

Sierra Club claims success after year-long 'Clean up Dynergy' campaign

After nearly 100 years of burning coal to heat and cool Congress, the U.S. Capitol Power Plant will switch over to less harmful natural gas.

One blogger's perspective on the recent 'success' of Wisconsin's carbon capture pilot program.

Breakthrough 'crystal' captures CO2 and could one day turn it into a fuel or turn water into hydrogen.

4 new projects show the viability of storing captured wind energy underground. So why are we still investing in far more expensive carbon capture?

After every attempt to catch an otter fails, officials are forced to move the fish out of a Vancouver pond.

Developed by the U.S. Geological Survey, the technology 'aims to reduce the impact of earthquakes and save lives and property.'

Many city dwellers leave urban areas to visit lakes and rivers, but these cities are ideal for people who don't want to travel far to swim, paddle or surf.

Researchers from the University of Wisconsin-Madison find that city blocks with 40% or more tree coverage are naturally cooler than blocks with fewer trees.

The District of Columbia had the most LEED-certified square footage per capita in 2011.

Application deadline for the 2012 Affordable Green Neighborhoods Grant Program is Aug. 10, 2012.

After the nation's largest deep energy retrofit, the Castle Square Apartments in Boston's South End achieves LEED Platinum status.

To save energy, a newly opened LEED residence hall at Bridgewater State University outlaws the dorm room staple known as the mini-fridge.

Using public data from the U.S. government, a software engineer has made a stunning map of every river in the Lower 48 states.

Japanese scientists have discovered that some apples have changed in flavor and firmness over the past few decades. Science says climate change may be to blame.

Unexplained natural phenomena, which is regularly observed in the aftermath of quakes, occurred during last week's 7.8 magnitude earthquake.

Did you know that rounder leaves have greater daily light interception and carbon gain? Here's how and why plants change the shape of their leaves.

The Energy Information Administration said on Wednesday that U.S. ethanol production was down about 1 percent.

MNN offers a graphical tribute to a gifted grain — corn — in all its many uses.

Save money and reduce your carbon footprint when you use one of these 7 apps to organize a carpool or book a carshare ride.

Bicycle sales exceed cars in Europe, and there's compelling evidence that pedaling increases the national happiness quotient.

Car2Go is now the world's largest service, with a million members and a new outpost in Brooklyn.

The city fleet will have 425 Leafs, Volts and Energis on the road by early next year.