Terrorist Attack at Nightclub in Istanbul Kills Dozens

ISIS Claims Responsibility for Istanbul Attack

With No Warning, House Republicans Vote to Gut Independent Ethics Office

House Republicans, Under Fire, Back Down on Gutting Ethics Office

Senate Republicans Open Fight Over Obama Health Law

Countering Trump, Bipartisan Voices Strongly Affirm Findings on Russian Hacking

Putin Led a Complex Cyberattack Scheme to Aid Trump, Report Finds

Russians Ridicule U.S. Charge That Kremlin Meddled to Help Trump

Airstrikes by Russia Buttress Turkey in Battle vs. ISIS

Jared Kushner Named Senior White House Adviser to Donald Trump

Trump Received Unsubstantiated Report That Russia Had Damaging Information About Him

How a Sensational, Unverified Dossier Became a Crisis for Donald Trump

Comey Letter on Clinton Email Is Subject of Justice Dept. Inquiry

Democrats Confront F.B.I. Chief at Closed-Door Intelligence Briefing

Scott Pruitt, Trump’s E.P.A. Pick, Backed Industry Donors Over Regulators

In Trump’s Feud With John Lewis, Blacks Perceive a Callous Rival

As Trump Era Arrives, a Sense of Uncertainty Grips the World

Chelsea Manning to Be Released Early as Obama Commutes Sentence

Choice for Health Secretary Is Vague on Replacing Affordable Care Act

A Trump Administration, With Obama Staff Members Filling In the Gaps

Donald Trump Is Sworn In as President, Capping His Swift Ascent

Defiant Voices Flood U.S. Cities as Women Rally for Rights

News Analysis: Rocky First Weekend for Trump Troubles Even His Top Aides

Trump Repeats Lie About Popular Vote in Meeting With Lawmakers

Trump to Order Mexican Border Wall and Curtail Immigration

Trump Blocks Syrian Refugees and Orders Mexican Border Wall to Be Built

White House Sows Confusion About Plan for a 20% Import Tax

Trump Bars Refugees and Citizens of 7 Muslim Countries

Judge Blocks Trump Order on Refugees Amid Chaos and Outcry Worldwide

Travelers Stranded and Protests Swell Over Trump Order

Trump Fires Acting Attorney General Who Defied Him