Explore current and historical political parties, map party control, and learn about polarization.
The Senate's attempt to repeal the Affordable Care Act narrowly failed due to a surprise defection by Sen. John McCain
As Joe Biden is inaugurated as America's 46th President, browse his votes as a U.S. Senator
The House impeached President Donald J. Trump for a second time, an unprecedented feat in U.S. history, on charges of fomenting insurrection
After a nomination process that culminated in a public FBI investigation, Brett Kavanaugh was confirmed largely along party lines 50-48.