The Hubble Space Telescope shows us the far reaches of our universe -- and that tells us a lot about us, too.
Thanks, oil and gas industry.
Like everything Emma Thompson touches, the letter will leave you either laugh-crying or slow-clapping.
More and more utilities are competing for solar power dollars -- but what will that mean for smaller companies and consumers?
The Department of Agriculture's new voluntary plan to cut U.S. carbon emissions shouldn't cause a ruckus -- and that just might make it work.
Climate change is not a game -- but this game is way more fun than just wringing your hands about it.
Ten years ago, the internet was forever changed. It's been pretty much all downhill since.
As marijuana becomes a legitimate business, safety regulations and bureaucracy could make life tough for small "craft" growers.
The president uses his Earth Day message to call for climate action -- and throw a few jabs at Marco Rubio and Rick Scott.
We've devised the world's shortest survey to find out what kind of actions our readers are taking. You know you want to.