In an exclusive interview with NPR, election threats executive Shelby Pierson says more nations may attempt more types of interference in the U.S.

The Senate majority leader's own members didn't want to go along with his first vision for the procedure in the impeachment trial. But the GOP did reject calls for more witnesses and evidence.

The president and some of his top lieutenants stated and restated on Tuesday that they feared a new attack was imminent and that they were justified in hitting the Quds Force leader.

Last month, the House of Representatives voted for only the third time in history to impeach the president. Then something else unusual happened amid the holidays. Nothing.

President Trump ordered the death of the best-known Iranian paramilitary commander in a move expected to yield shock waves across the world. What will happen now?

The Democratic-led House of Representatives voted for just the third time in American history to impeach a sitting president. Trump's allies in the Senate will very likely preserve him in office.

The presiding judge of the Foreign Intelligence Surveillance Court ordered the government, in so many words, to explain why the court should accept what it submits when it applies for warrants.

Chairman Jerry Nadler unexpectedly called a halt for the night without consulting minority Republicans after hours of procedural combat toward the expected votes. GOP members were outraged.

Inspector General Michael Horowitz testified for several hours Wednesday on his 476-page report on the Russia investigation. There's still more to learn — and more action may result.

The committee convened to mark up the legislation that the House would use to impeach President Trump, possibly by Christmas.

Judiciary Committee Chairman Jerry Nadler, D-N.Y., and his colleagues announced on Tuesday they're charging the president with abuse of power and obstruction of Congress.

Inspector General Michael Horowitz's report enumerates multiple issues with the FISA application for former Trump aide Carter Page.

The House Judiciary had attorneys for both parties present on the findings of the inquiry as it works to draft articles of impeachment. Republicans called the impeachment process a partisan "show."

A panel of four constitutional law scholars put the allegations against Trump in a historical and legal context. Three of the professors supported impeachment. One opposed it.

The House Intelligence Committee has resumed its pas de deux of dueling documents. Republicans fired first with a report on Monday.

Workers in the Office of Management and Budget raised immediate legal concerns over the summer when they were asked to halt assistance for Ukraine with no initial explanation.

Members of Congress used marathon testimony over two weeks to try to convince Americans that they should impeach and remove President Trump. The U.S. Senate, at least, isn't sold. Now what?

Glenn Simpson and Peter Fritsch reveal the hows and whys of the whirlwind they uncorked by commissioning Christopher Steele to investigate Donald Trump's activities in Russia.

The former top Russia official on the National Security Council detailed how the U.S. ambassador to the European Union was assigned a "domestic political errand" to help President Trump's reelection.

The U.S. ambassador to the European Union said all the top leaders in officialdom were "in the loop" throughout the Ukraine affair, broadening its implications well beyond President Trump.