Amy Dockser Marcus, a Pulitzer Prize–winning former Wall Street Journal reporter, is joining The Information to cover health ...

President Donald Trump announced a new Washington, D.C., National Mall project on Wednesday, saying the Department of the Interior is working to "fix" the Lincoln Memorial Reflecting Pool. The video ...

When chlorine is added to pool water as chlorine gas, liquid sodium hypochlorite, or solid calcium hypochlorite, it dissolves and forms two compounds through a chemical reaction: hypochlorous acid and ...