Celebrity wolf OR7 may be “too famous to kill,” but his pups will need to watch out if they wander into the wrong state.
On his new hybrid car, being a member of Mensa, and the most environmentally conscious character on "Modern Family."
Denmark supplies three out of four of the world's offshore wind turbines, and it's on track to be free of fossil fuels by 2050.
Oil-giant BP wants us to think the Gulf of Mexico is doing just fine. Too bad we’re so willing to go along.
Find out if you're spending too much money on hot showers.
Time-lapse photography reveals corals as vicious predators, Bay Area fog as a rapid river, and so much more.