The researchers who claimed to have found a vast underground city beneath Egypt’s Great Pyramids doubled down on the wild theory Tuesday by saying they’ve found a second “hidden city.” Italian and ...

Airline ticket prices don’t always follow the logic travelers expect. A nonstop flight between two cities can cost far more than a longer itinerary that stops in that same city along the way. Some ...

Skiplagging, or hidden-city flying, can save you money on flights. But airlines despise this tactic, and if they find out you’re using the hidden-city loophole, you could get in trouble. ByBrittany ...