The GPO site has links to publications of the the departments of the federal government and of Congress. Includes links to searchable databases for the Federal Register, Supreme Court decisions, bills and reports of Congress, code of Federal Regulations, the budget of the United States, and more.
At the website for the United States Senate visitors can learn more about the history of the Senate, obtain information about recent bills, find a list of current senators, and information for committees.
The U.S. Government's official web portal. Whatever you need or want to know from the U.S. Government, it's here. You'll find a rich treasure of online information, services, and resources.