Learn about animals, weather and natural disasters, alternative energy, environmental politics and space.
Wed, Dec 11, 2013 2:10 PM
Comet behavior is incredibly difficult to predict, so it's tough to pinpoint ISON's exact cause of death.
Researchers discover that these tiny bats use wet adhesion to stick to surfaces.
Former home of the famous Mustang Ranch brothel is now being returned to its natural state ... and the ladies of the brothel don't have to worry about floodwaters rising at inopportune times.
Artist and designer Maya Lin debuts her newest work, Unchopping a Tree, in Copenhagen to draw attention to the dangers of deforestation.
Two sea lions were sentenced to death for preying on endangered salmon. But they got a reprieve from a Chicago aquarium they now call home.
Puget Sound under threat of a megathrust earthquake which occurs only once every 500 years.
Video: President Obama, speaking at a Virginia Home Depot, calls on Congress to provide new incentives for Americans to make energy-efficiency retrofits to their homes.
This electric bike will get you to your destination with style and speed.
Video: Operation Free, a coalition of veterans and national security organizations, is traveling the country to spread its message about global warming's potential impact on national security.
New smart meters being installed on customers' homes aren't making energy-saving any easier. Instead residents are on the verge of revolution because they're getting overcharged.
Potty training pigs saves water and cuts down on waste, Sarah Palin's not excited about the idea of debating Al Gore, and RNC Chairman Michael Steele gets confused.
Sarah Palin trades barbs with California Gov. Arnold Schwarzenegger after he criticized her anti-science stance on global warming.
Video: For years, animal rights groups have alleged that the elephants in the Ringling Bros. and Barnum & Bailey Circus are mistreated. TODAY'S Natalie Morales goes behind the scenes with the circus elephants to find out more.
Video: Former vice president and environmental icon rallies the troops and turns up the pressure on Obama to pass climate change law.
Global warming won't be really to some people until it starts to hurt. Consider what life would be like without these 'essentials'.
Welcome to MNN's new environmental ticker, a constantly updating resource for tracking the way humans treat Mother Nature. Stay tuned for much more to come.
Eco-entrepreneur on politics, energy and Earth's resources.
Russell blogs about the day's top science and eco-news.