The U.S. Department of Energy has shed light on the old household rule, revealing that constantly flicking the switch may not ...

Household rules vary quite a bit from home to home, but there's one that most of us grew up hearing over and over again: ...

AFP-BRENDAN SMIALOWSKI US President Donald Trump warned on Sunday that his Ukrainian counterpart Volodymyr Zelensky would have "big problems" if he goes cold on a deal to sign over mineral rights.

Donald Trump has said he was "very angry" and "pissed off ... "not off the table". "We'll get Greenland. Yeah, 100%," the president said. He added: "[There's a] good possibility that we could do ...

In the past, experts warned that turning your computer on and off too frequently could strain ... “If you’re not going to use your computer for over an hour, shut it down and unplug it ...

and that gives them enough juice to light up for 10-12 hours at night. They automatically flick on when they detect nightfall—no need to flip any switches (though they do have an off switch if ...

Korean Air and Boeing have finally signed off on a long-anticipated order for up to 50 brand-new widebody jets, having first announced the potential agreement at Farnborough Airshow last year. The ...

and we had to shut our curtains and turn our lights off. It was clear that people were a bit anxious. Some of my friends chose not to tell their kids what was happening because they didn't want ...

These included a request to staff to "shut down their PC, turn off all the lights when they leave the room" and "check ... through the government's annual budget, the college would not divulge the ...

The flight had taken off from Los Angeles and was headed to Shanghai on Saturday with 257 passengers and 17 crew members on board, the airline said. United said they were two hours into the flight ...

“During hours of darkness, only essential open deck lights will be on to reduce the ship’s external lighting… We also suggest you turn off your stateroom ... were not permitted to go outside.

Not to worry, though. If you want to go back to the days of a completely dark screen when your phone is placed down or locked, there's a setting for that. We'll show you how to do it below.