PHOENIX - Federal officials say a national test of a system that aims to provide members of the public with emergency warnings will take place in October. The purpose of the test is "to ensure that ...

The U.S. has not conducted a nuclear test in over 30 years. Experts say doing one now could make America less safe.

A nationwide test of emergency alert systems is scheduled for early October. Although it is only a routine test of systems designed to inform the public about incoming threats, the alerts can still be ...

In the event of any emergency, the Emergency Alert System is used to communicate critical information to the public in a short amount of time, normally this is used for severe weather situations, ...

A test of the nation’s Emergency Alert System and Wireless Emergency Alerts will occur on Wednesday at 11:20 a.m. Arizona time, according to the Arizona Emergency Information Network. The test will ...

New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris ...

An incredible image buried deep in an annual military report released last month shows the U.S. Navy test-firing a high-powered laser weapon at a drone target from one of its warships. The photo of ...