To turn off your Roku, you'll probably need to unplug it. The only exceptions are the Roku 4 and Roku TV, which you can turn off regularly.

To turn off an Apple TV, you'll need to either unplug it or activate Sleep Mode, which will help save power.

Choking back exhaust fumes, 22-year-old Rihana Saif stands at a traffic signal in India's capital New Delhi, holding a sign mounted on a bamboo stick imploring motorists to turn their engines off.

In Dark Moon, your goal is simple: stay the hell out of the sun's path. This is a world where the sun's rays will burn you to a crisp, so you need to constantly be moving to make sure you're on the ...