Congress is on recess until Feb. 23, and both sides appear dug into their positions. The impasse affects agencies such as the Transportation Security Administration, the Federal Emergency Management Agency, the U.S. Coast Guard, the Secret Service, U.S. Immigration and Customs Enforcement, and U.S. Customs and Border Protection.

The shutdown will force DHS to scale back its operations and postpone pay for many workers. The head of the Federal Emergency Management Agency, for instance, warned that the crisis will "severely disrupt" his ability to reimburse states for disaster relief costs.

The Senate failed to advance a measure to fund the Department of Homeland Security on Thursday, paving the way for another partial government shutdown.

The Department of Homeland Security shut down Friday night after lawmakers failed to reach a deal to fund the agency.

Senators and members of the House headed to the Munich Security Conference without first securing a deal to fund DHS. Their colleagues aren't happy with the decision.

The Department of Homeland Security is pushing Silicon Valley to strip anonymity from Americans who track or criticize Immigration and Customs Enforcement. The agency has fired off hundreds of subpoenas demanding names,

Much of the Department of Homeland Security, including ICE, will continue operating. But pay delays for TSA workers could spell trouble for travelers.

Democrats refused to fund the department without new restrictions on federal immigrations agents.

Federal immigration officers have repeatedly used force in ways that appear to violate their own policies or general policing guidelines, NBC News found.