Learn about animals, weather and natural disasters, alternative energy, environmental politics and space.
Tue, Sep 23, 2014 1:00 PM
You might have heard of nocturnal and diurnal animals. But did you know animals like rabbits, house cats and deer are neither of these? Find out about when these species are actually active.
Well, perhaps a photo can suffice. Meditating on this image is sure to calm your nerves and make you sigh a peaceful sigh.
New campaign hopes to help consumers see the light on energy-saving light bulbs.
Watch Sasha and Shimba, two 8-month-old white lion cubs, as they run, tumble and play. [Video]
The Rhinorex condrupus was about 30 feet long and weighed more than 8,500 lbs. in its prime 75 million years ago.
It's easy to mistake this insect for a thorn, leaf or even another insect. Hop into the fantastical world of treehoppers.
Many old wives' tales about the weather turn out to be true.
Bryan Pijanowski, a self-described 'soundscape ecologist,' has installed microphones around the world so he can capture the planet's noises.
If you've ever wondered what hamsters and the French Revolution have to do with the first day of fall, we've got the answers.
Equal parts planning and dumb luck went into this photographer's magical capture of one of nature's most loved phenomena.
The momentous march was organized to coincide with the U.N. Climate Summit, which is scheduled to convene on Tuesday in New York City.
Videos of artistic elephants keep popping up on the Internet, but is there more to this than meets the eye?
The world has 30 years to reverse the CO2 trend before global warming surpasses the 3.6 degrees Fahrenheit target set at the 2009 climate summit in Copenhagen.
Also aboard the capsule is the RapidScat, an instrument that measures the speed and direction of ocean winds on Earth.
In addition to its atmospheric studies, MAVEN will also serve as a communications link between ground controllers on Earth and NASA's Mars rovers.
Learn about the 5 species of rhinoceros, all of which are dealing with major conservation threats.
Activist and author blogs about politics, energy and Earth's resources.
Science journalist blogs about humans and other wildlife.