In the hours after President-elect Donald Trump moved his second inauguration ceremony inside the U.S. Capitol, crews along ...

Five Cambridge University graduates served as double agents, leaking highly classified information to the Soviet Union ...

As President-elect Donald Trump prepares to return to the Oval Office on Monday, several groups are working to ensure that ...

President-elect Donald Trump will choose as leader of the Secret Service one of the agents who covered him after a gunman ...

Words matter, but looking back on his time as the head of the world’s most important spy agency, Burns also had numbers on ...

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

A social media video also appeals to diplomats, scientists and high-tech specialists to spill the beans on their inside knowledge of 'the top leadership of the Russian Federation' ...

The partnership, according to officials who spoke to ABC News, has been essential to Ukraine defending itself as Russia invaded almost three years ago.

Noem and committee Republicans focused on the border while Democrats asked about foreign and home-grown terrorism during a cordial hearing.

When it comes to widely followed Wall Street money managers, Berkshire Hathaway's (BRK.A 0.64%) (BRK.B 0.94%) CEO Warren ...

Agencies across the intelligence community and the Defense Department can now use OpenAI’s GPT-4o for the government’s most ...

The Russian cyber spy operation known as Star Blizzard changed tactics after a takedown operation by Microsoft and the US ...