Metro is taking 100 buses out of commission after two fires started on one particular model of bus within one week.

Virginia researchers have had some success treating a severe form of autism amongst lab mice using bone marrow transplants — which they hope to eventually replicate in human patients.

Activists turned up at the U.S. Capitol on Tuesday to renew the battle for budget autonomy, as the looming specter of government shutdown prompts more residents to action.

Prompted by rainy conditions and excessive run-off, the environmental rating for the Chesapeake Bay fell off in 2011, according to the University of Maryland's Center for Environmental Science.

Despite criticism that schools with Tech Transfer programs are chasing big paydays that will never come, officials at Virginia universities say the other benefits of fostering innovation still outweigh the costs.

Political donor Jeffrey Thompson also left his mark on the campaign fund of former Council member Harry Thomas Jr., according to city records.

Residents of the D.C. area reacted with emotion Tuesday morning to the final flight of the space shuttle Discovery, as it circled the District en route to the Smithsonian National Air and Space Museum.

With Maryland's General Assembly no closer to calling a special session to compromise on a state budget, officials in Montgomery County are taking inventory of what the so-called "Doomsday Budget" contingency would mean for the area.

Congress probes GSA spending scandal in hearings this week; U.S. Secret Service under fire after officers were accused of misconduct involving a prostitute during a presidential trip to Colombia.

Residents of the District marched down Pennsylvania Ave. this afternoon in the Emancipation Day Parade, celebrating the 150th anniversary of the day President Abraham Lincoln freed slaves in the District.