Texas congressman Al Green has filed articles of impeachment against President Donald Trump. Here's what happens if they ...

The Constitution does not set a limit on how many times a president can be impeached. Although Trump was impeached twice ...

President Richard M. Nixon sought to fire the special prosecutor leading the Watergate investigation, but his attorney ...

The House initiated an impeachment process against Nixon in February 1974 ... was the culmination of a bitter dispute between the president and the Republican-controlled House over Reconstruction ...

President Trump's efforts to cut federal programs and fire watchdogs are drawing attention to 1970s-era government reforms.

The presidency of Donald Trump began at noon on Jan. 20, 2017, when he was inaugurated as the 45th president of the United States. While Trump was despised by the Democrats and most of the media, ...

Federal judges are ruling against some of President Trump's executive orders. But who enforces a judicial ruling against the president? NPR asks University of Texas law professor Tara Grove.