Secretary of Defense Pete Hegseth admitted that he shared information over Signal on Tuesday morning, though he maintained the details were "informal" and "unclassified." In mid-March, he shared ...

Researchers at EPFL and Harvard University have engineered a chip that can convert between electromagnetic pulses in the terahertz and optical ranges on the same device. Their integrated design could ...

Defense Secretary Pete Hegseth said he shared “informal, unclassified coordinations” on Signal “then and now,” all but confirming a new report saying he participated in a second group chat in which he ...

A few weeks ago we witnessed an incident where military leaders inadvertently included a reporter in what was supposed to be a closed, secure communication channel, all due to the use of the Signal ...

When top White House defense and national security leaders discussed plans for an attack on targets in Yemen over messaging app Signal, it raised many questions about operational security and ...