In an ABC News exclusive interview, Terry Moran asked President Donald Trump about Defense Secretary Pete Hegseth's use of the app Signal to share attack plans.

The National Transportation Safety Board is investigating the aborted landings of two commercial flights approaching Reagan ...

Florida State University student offers compelling testimony after mass shooting; Stuart quality of life suffers; strategies ...

U.S. Transportation Secretary Sean Duffy said Friday that it is “unacceptable” that two commercial aircraft had to abort ...

The proposal would fund upgrades to radar, telecommunications and other critical systems used by the Federal Aviation Administration ... vaccine expert, Dr. Peter Hotez of Baylor College of ...

Pete Hegseth thinks we're at a point where long-range drones and hypersonics are changing and contesting battle spaces ...

With Mike Waltz leaving the NSC, Pete Hegseth has the chance to up his game in leading the Department of Defense.

A Pentagon inquiry is examining how classified information ended up on the Defense Secretary’s unsecured personal phone.

Defense Secretary Pete Hegseth has ordered the Pentagon to review its Army acquisition program. In an April 30 memo to Army ...

Sources close to the White House say the president is growing more frustrated with his defense secretary’s bad press—but ...

Former national security adviser John Bolton said on Tuesday that Defense Secretary Pete Hegseth should resign amid mounting ...

From the proper way to use Signal to making sure you’re following security rules at work, here are tech tips for anyone with ...