What is the polar vortex? Why it matters as snow and Arctic cold threaten the Northeast

What is the polar vortex? This article explains what a polar vortex is in simple terms, how it influences winter weather in the U.S., and why meteorologists talk about it during major cold events.

What is histoplasmosis? Outbreak leaves 1 dead, dozens ill in Tennessee

Tennessee health officials are investigating a fungal infection outbreak that has killed at least one person and sickened dozens more.

DC Water crews continue work on major sewage spill

DC Water crews are working to build a bypass system to control a sanitary sewer overflow from the Potomac Interceptor, which has caused a significant spill into the C&O Canal National Historical Park.

Watch: Trump speaks at World Economic Forum in Switzerland

President Trump delivered an address at the World Economic Forum Wednesday, as tensions are rising with European leaders. Here’s what to know about the meeting.

New Montgomery County bills aim to restrict ICE access and ban face coverings
video

Two Montgomery County council members unveil two new bills targeting how ICE agents do their jobs, and where they can go. FOX 5’s Tom Fitzgerald is live in Rockville. 

Fugitive hides under bed before US Marshals take him into custody

The United States Marshals Service arrested Keantray Davon Bryant-Muellner after he was found hiding underneath a child's bed.

Timothy Busfield can be released pending trial, judge rules

A judge has ordered that actor Timothy Busfield be released from jail during a detention hearing on child sex abuse charges.

Walz's office, 5 other MN government offices served subpoenas in ICE obstruction investigation

The U.S. Department of Justice has served grand jury subpoenas to six Minnesota government offices. The subpoenas are part of a federal investigation into alleged conspiracy to coerce or obstruct federal law enforcement.

DC Water crews work to contain major sewage spill; drivers face heavy delays

DC Water crews are working to contain an untreated sewage spill that has shut down part of the Clara Barton Parkway and is causing significant delays for morning commuters.