Credit: A rendering of the Spark by Hilton hotel brand. Hilton says it will fall under what it calls the "premium economy" category. (Courtesy Hilton Worldwide)

Hilton’s Spark is the hotel company’s 18th brand

Rooftop restaurant Yara opens in DC’s NoMa this spring

Tunnel construction delayed in flood-prone Ellicott City, storage pond set to open

Calvert Co. water billing audit paused for homeowners after hefty charges

McLean company developing satellite messaging for smartphones

Loudoun Co. to host international parafencing World Cup