Baby bison appear to have a blast chasing each other at Yellowstone National Park NASA confirms that mysterious object ...

"We are enhancing security measures and coordinating intelligence-sharing to proactively address potential risks," a DHS ...

In a joint bulletin, the FBI, Department of Homeland Security and other law enforcement agencies said individuals or small ...

Special events with high attendance and media coverage remain attractive targets for lone offenders and violent extremists ...

Thousands of spectators are expected to flock to Manhattan and Brooklyn to watch fireworks burst through the air from the ...

Attacks perpetrated by lone actors are the biggest terrorism threat to July 4th festivities in New York City and elsewhere, ...

National security experts raise alarm about potential Iranian sleeper cells in the US following military strikes on Iran's ...

The calls included one with hundreds of state and local law enforcement officials from around the country and another with state governors and their staff.

The Department of Homeland Security is warning of a heightened threat environment following U.S. strikes on Iranian nuclear ...

The FBI is planning to reallocate potentially thousands of agents away from immigration enforcement to focus on ...

Two FBI agents visited Ribvar Karimi and said that Karimi’s wife should stop talking to the media, his lawyer says.