Shopping centers, stadiums and universities may soon have a new tool to help fight crime.
A three-person crew has returned to Earth after more than six months on the International Space Station.
The U.S. military chief said Thursday the United States is considering several locations to train and advise Iraqi troops.
The U.S. Ambassador to the United Nations has urged the Ukrainian people to move from demanding change to helping to create it.
Chinese state media say former security chief Zhou Yongkang has been sentenced to life in prison after a secret trial.