Get ready for a little chaos on Wednesday afternoon, because a test of the national Wireless Emergency Alerts will happen between 2:20 and 2:50 p.m. EDT. (That’s 11:20 to 11:50 a.m. on the West Coast.

Those living or vacationing in the United Kingdom should be ready for a nationwide cell phone alert that’s going to happen today and will cause your phone to make a loud noise. The alert, scheduled ...

Alarm clocks are meant to wake us up, so it's reasonable to assume a louder, more disruptive alarm sound could be the most effective at helping you kick that snooze button habit. But did you know ...