The Trump administration has tapped a former army special operations officer with significant business experience who once oversaw a large U.S.-Russia investment forum to manage Europe and Russia policy at the National Security Council,

A former FBI agent said that visa overstays are a "national security issue" after 15 people were injured in a terror attack in Boulder, Colorado.

The Fordow facility is home to thousands of centrifuges, crucial to Iran’s weapons-grade uranium enrichment program, and is located 295 feet underground beneath a mountain. Israel is thought to have neither the munitions nor the aircraft to destroy it from the air, while the U.S. does .

The US president has called for Iran's "unconditional surrender" and warned Tehran that US patience is "wearing thin". Follow live.

President Trump will meet with his national security team today as questions mount over how involved the U.S. will be in the conflict between Israel and Iran. NBC News' Monica Alba reports more. Executive Director for Global Security at Flashpoint Andrew Borene and former Assistant Secretary of State under the Obama Administration Joel Rubin join Chris Jansing to weigh in.

Explore how the FCC intends to overhaul space system regulations by modernizing satellite licensing to prioritize national security.

US and UK finalize an expansive Economic Prosperity Deal, promising trade growth and enhanced national security.

Keir Starmer’s government will shortly publish a new national security strategy that will broaden the scope of what is considered vital to UK interests to include critical domestic industries, crime and the online world,

Sam Altman’s OpenAI has secured a $200 million contract to provide artificial intelligence support to the US Defense Department.