Over the past decades, engineers have introduced numerous technologies that rely on light and its underlying characteristics. These include photonic and quantum systems that could advance imaging, ...

A Pentagon inspector general report concluded that Secretary of War Pete Hegseth sent sensitive, nonpublic strike information over the encrypted app Signal using his personal phone, a violation of ...

Secretary of Defense Pete Hegseth risked compromising sensitive military information, which could have endangered American troops and mission objectives, when he used Signal in March of this year to ...

Secretary of War Pete Hegseth "acted within his authority" by sharing sensitive details about Houthi strikes over Signal, Armed Services Chairman Roger Wicker said after viewing a report from the ...

The defense secretary has insisted no classified information was shared. A monthslong investigation into Defense Secretary Pete Hegseth's use of the commercial messaging app Signal is complete and its ...

The Pentagon’s latest report makes one thing clear: Signal protects conversations, but it was never designed to safeguard U.S. war plans — and using it that way carried real risk for American forces.

WASHINGTON – A Pentagon watchdog found that Defense Secretary Pete Hegseth risked the safety of American troops and their mission when he discussed a covert military operation in Yemen over the ...

“According to the USCENTCOM [security classification guide], the operational movement of aircraft should be classified as SECRET.” In other words, this information was classified 17 hours before the ...

An inspector general report to be released on Thursday examined the defense secretary’s use of a private messaging app to discuss airstrikes in Yemen. By Robert Jimison Megan Mineiro and John Ismay ...

The March chat shared details of a planned attack on Houthi rebels in Somalia. A Pentagon watchdog concluded that Defense Secretary Pete Hegseth risked exposing sensitive information that could have ...

US Defence Secretary Pete Hegseth did not comply with Pentagon policy and potentially endangered military personnel when he used his personal phone and the Signal app to discuss an upcoming strike, an ...