On January 21, 2017, the day after his inauguration, U.S. President Donald Trump visited Central Intelligence Agency ...

The partnership, according to officials who spoke to ABC News, has been essential to Ukraine defending itself as Russia ...

The Star Blizzard group, associated with the Russian FSB, attempted to hack government accounts on WhatsApp by posing as ...

In the early 1950s, the United States faced a critical intelligence challenge in its burgeoning competition with the Soviet ...

Tulsi Gabbard is trying to explain her past support for Edward Snowden, including her push to pardon the national security leaker, to a tough crowd: members of the Senate Intelligence Committee ...

At least four people were killed in the attack on the capital, which Ukrainian officials said involved ballistic missiles and ...

A new report details how a covert influence operation linked to the Kremlin continued to place ads on Facebook despite U.S.

Kristi Noem, President-elect Donald Trump's nominee to lead the Department of Homeland Security (DHS), vowed at her Senate ...