Travel ban appeal: The 4th Circuit ruling is crucial for President Trump, whose travel ban is expected to end up in the U.S. Supreme Court.
The nation's most prominent domestic violence hotline reports a sharp increase in calls from abuse victims struggling with issues related to their immigration status.
The US-Mexico border debate: Texas residents are now preparing for what they anticipate will be a long and vicious fight.
A U.S. antimissile defense system recently installed in South Korea is now operational, a U.S. official said Monday, in the latest sign of an enhanced U.S. response to threats from North Korea.
Counterterrorism: Mattis is looking to the Middle East and North Africa for broader contributions and new ideas to fight Islamic extremism.
Scientists claim success after test flights involving an upgraded version of a nuclear bomb that has been part of the U.S. arsenal for decades.
A human smuggling ring that helped people illegally enter the United States by way of Brazil and Latin America was publicly revealed.
When you're training to become a federal air marshal, your work takes place in a 20-foot-wide space, 30,000 feet in the air - so precision matters.