A federal judge on Thursday ordered key Trump administration agencies to preserve messages sent on Signal between March 11 to ...

A Houthi missile expert was tracked with the help of an Israeli human source in Yemen.

Colo., told Morning Edition that "the risk of casualties goes up tremendously" if adversaries learn of military operations.

When White House defense and national security leaders discussed an attack on targets in Yemen over messaging app Signal, it ...

Getting the best reception from a TV antenna can take a bit of trial and error, but it’s worth it if you want free access to ...

President Trump’s top national security officials faced a second day of tough questions on Capitol Hill, this time in front of House members. On Tuesday, the Senate Intelligence panel ...

Democrats on a House committee appeared in lock step as they confronted one of the most notable blunders of the Trump ...

After the White House argued, repeatedly, that there was no classified information in the chat, The Atlantic published it.

Officials will have to find ways to overcome the need for special buildings and rooms.

Democrats demanded Defense Secretary Pete Hegseth’s resignation for his role in posting military information in a Signal chat room.

The use of civilian software to discuss sensitive military and government matters came to light after a journalist from The ...

Scientists have developed a compact optical amplifier based on a photonic chip that vastly outperforms traditional optical amplifiers in both bandwidth and efficiency. This breakthrough could reshape ...