Credit: Players immersed in the wildly popular Pokémon Go mobile app face safety and crime risks, according to police. And the National Park Service says that when you're around the Mall monuments, remember where you are.

Pokémon Go craze spurs local police warnings

Facebook tests encrypted, self-destructing Messenger chats

‘Suspect’ in Dallas police shootings turns self in, is cleared

Column: Has my Facebook been hacked?

FDA approves first dissolving stent for heart disease treatment

Producers apologize for using old footage during fireworks show