A NASA satellite image clearly shows the record 2012 U.S. drought in the form of unhealthy, thirsty vegetation.
A satellite image shows the tongue of the Malaspina glacier, the largest glacier in Alaska.
As cities heat up roughly twice as fast as the rest of the planet, there are things communities can do to combat it.
The search for ancient shorelines is at the core of 'Deep Water,' a terrific new e-book by veteran journalist Dan Grossman.
Severe weather has been clobbering insurance companies, and the headlines just keep coming.
Scottish researchers are developing small underwater robots that could be sent in swarms to save coral reefs.
Denmark already holds the world record for electricity consumed that comes from wind and still has plans for more.
These night-shining clouds made of tiny ice particles are so high up they're still illuminated by the Sun long after sunset.