Law enforcement agencies around Washington, D.C., are adding extra security out of concern about an upcoming date — March 4 — that has swirled online among QAnon supporters.

Washington, D.C. and 15 states have added pregnant women to their lists of those eligible for the coronavirus vaccines.

A POLITICO analysis reveals that the investigations into the 2016 election and its aftermath now involve hundreds of people in Washington, Moscow and around the world.

Piers Sellers, a British-born climate scientist turned NASA astronaut, dies at age 61 - Washington Post

Myanmar's military leaders came under renewed pressure at home and abroad Tuesday, with tightened sanctions from Washington and Brussels, and some of the biggest demonstrations against their rule since they seized power three weeks ago. Protesters mass around vehicles as they block roads during a demonstration against the military coup in Yangon on February 22, 2021. AFP Authorities have gradually ratcheted up their use of force against a massive and largely peaceful civil disobedience campaign demanding the return of ousted...

Researchers examined e-scooter use in Washington, D.C. and found that built environment and demographics both matter. Tourist attractions, hotels and metro stops are all predictive of higher destinations. Scooter traffic is almost all in the downtown area, near the Mall, the White House and Congress. Younger median age, percentage of bachelor's degrees and population density each were positive predictors for both trip origins and destinations. This model will help transportation planners figure out what drives e-scooter use.

Scientists have long used information from sediments at the bottom of the ocean to reconstruct the conditions in oceans of the past. But a study raises concerns about the common use of pyrite sulfur isotopes to reconstruct Earth's evolving oxidation state. These signals aren't the global fingerprint of oxygen in the atmosphere, according to new research from Washington University in St. Louis.

Democratic Senator Elizabeth Warren faces an uphill battle persuading Washington to back her tax on ultra-millionaires — starting with convincing her own party's Treasury Secretary.

Follow the president-elect’s progress filling nearly 800 positions, among the 1,250 that require Senate confirmation, in this tracker from The Washington Post and the Partnership for Public Service.