A new study looks at the co-evolutionary 'arms race' between a brood parasite and its hosts.

One of Earth's most impressive ecosystems is in dire straits. Here are the main issues threatening this magnificent natural wonder.

Some of the smartest solutions really do lie right under our noses. In the case of Indie Energy, a Chicago-based cleantech company, the solution was buried in t

The Minewater system pulls geothermal heat from flooded abandoned coal mines.

Geothermal heating and cooling systems are a blend of the old and the new. An ecologically and financially-efficient option.

Giant cable will allow Iceland to share its vast geothermal and volcanic energy resources with mainland Europe.

The fossil fuel industry benefits from government money, but not renewables. In a forum with T. Boone Pickens at the National Press Club, media mogel Ted Turner

Iceland's ION Luxury Adventure Hotel isn't so much about the hotel itself but about the stunning, otherworldly landscapes that surround it.

Hot springs are generally considered to be destinations of rest and relaxation, but that's not always the case!

Fire ants are especially efficient at filling in the ecological gaps created by humans.

Photographer Chris Perani painstakingly combines thousands of exposures to create each individual image.

As long as there are humans, there will be cockroaches.

Virginia Tech researchers have deciphered and codified the honey bee language with remarkable precision.

The pill bug or roly-poly plays many key roles in its environment.

The bees were staying alive by drinking the woman's tears.

Hives of honeybees do 'the wave' by shaking their booties. The wave pattern, called "shimmering,", requires impressive coordination.

The longhorned tick, native to Asia, is first new invasive tick to be found in U.S. in 50 years.

Bus stops in the Dutch city of Utrecht now have gardens specifically to help the bee population.

Australia's desert ants are thriving in the face of climate change.

We can learn a lot from dung beetles, including how to be better citizens of the planet.

An archaeologist dug through a publicity blitz to make an amazing find. A story of grave robbers. Ancient civilizations. Hidden treasure. Glowing skulls.

MSNBC's Contessa Brewer on her little-known off-camera hobby.

A new video from charity: water offers hope for the 1 billion people who don't have easy access to clean water. Actress Kristen Bell narrates this well-done vid

Earth Day turned 41 Friday, with organizers hoping to inspire "A Billion Acts of Green," the holiday's theme for 2011. It's a noble goal, but recent events like

By treating 'the environment' as something outside our daily lives, Earth Day is no longer calibrated to meet the scope of the climate and energy crises — nor

No generations in the history of human civilization have consumed as much of the planet's natural bounty as the ones alive today. So what are we doing this Eart

Keep it simple this Earth Day with these easy-going, eco-savvy ideas.

There was a time, not very long ago, when it was safe to be a politician who supported environmental causes.

Take a look at what the world's water supply would look like as a single drop - and find out what your family can do to protect it.

Celebrate National Parks Week and Earth Day with us with this breathtaking visual tour of some of the most beautiful sights in America's national parks.

How much money and energy do you spend each year powering the gadgets in your home? This infographic breaks it down for you.

Thought-provoking documentary weaves together stunning imagery with enlightening interviews to show how connected we are to our planet.

Max creates bold, iconic posters for events like Earth Day and groups like Greenpeace.

A royal Bengal tiger takes refuge in a local man's bed from deadly floods near Kaziranga National Park.

Leaders of countries and companies will be in Cancun for new climate talks this week. The business world looks poised to be heard and hopes governments will lis

Success at COP16 is all about how you measure it. The lower the expectations, the higher the chances this conference will be a success.

On the first day of COP 16, President Calderon made some interesting remarks -- incuding one about your grandmother's refrigerator.

Leaders during the Cancun climate meetings are walking a fine line of keeping expectations in perspective, but also wanting to get something done as deadlines l

Taking the easy way out is nothing new for politicians, but this time they're taking the easy way out on climate policy.

Sometimes the secret to getting a deal done is not worrying who gets the credit.

Minister says natural disasters in his home country are evidence of climate change.

Wildlife photographer and filmmaker Morgan Heim talks to MNN about sexism and success in her field and how to help the next generation of female photographers.

Researchers tagging juvenile sharks have confirmed where these youngsters spend the first year of their lives.

How to get ready for a great season of watching our feathered friends!

Become an expert in knowing what birds are saying by studying these common species.

This little mushroom is a pleasant surprise to anyone enjoying a walk in the woods.

You'll wonder how gray foxes aren't in the cat family after reading these habits, like hanging out in trees and those semi-retractable claws.

New Mexico's coyote-killing contest ban does not outlaw the killing of coyotes by hunters or ranchers who are protecting their livestock.

Here are some fascinatingly odd ways that frost, ice and snow can appear. Here are some fascinatingly odd ways frost, ice and snow can appear.

It's the first birth spotted so far this season.