The book by Maggie Haberman and Jonathan Swan of The New York Times, “Regime Change,” reveals a host of details and surprising exchanges as President Trump pushed to drastically expand his power.

The defense secretary described the vaccine requirement, which he lifted in April, as an “absurd, overreaching” mandate.

Fans gathered in Manhattan on Thursday to cheer on the N.B.A. champions at a parade that has been 53 years in the making.

Immigration and Customs Enforcement plans to sell or give away most of the 11 warehouses it bought to detain migrants, reversing course on a signature initiative.

I emigrated from the Soviet Union decades ago, and recently toured Thomas Jefferson’s home with my American-born history-buff son.

The reversal comes after the Senate passed a bipartisan bill on Wednesday to block the removal of deep-sea monitoring instruments.

I asked the vice president what is Christian about this White House.

Thursday’s opening drew four former presidents, as well as Bruce Springsteen, Bono and Jennifer Hudson. Chicago has seen years of planning and legal fights.

The attack, which shut down the capital’s airports for several hours, was part of an escalating campaign to bring the conflict home to Russians.

The Major Oak in the Sherwood Forest was between 800 and 1,200 years old. It succumbed to a combination of over-tourism, climate change and misguided efforts to save it.

Europe and the larger world will be watching carefully to see if talks produce a lasting agreement on Iran’s nuclear program and the Strait of Hormuz.

While fans watched their team, José A. Alvarado Jr. watched the crowd.

The justices sided with a Texas gun owner who faced criminal charges after admitting to marijuana use argued that a federal gun law violated the Second Amendment.

Artificial intelligence is expensive to use, many companies discovered. That has led to a new era of saving costs.

A new book by John Leganski, the floor manager for former Speaker Kevin McCarthy, offers a rare behind-the-scenes account of how President Trump wields his power through threats and intimidation.

The agreement delays the most difficult steps for Iran for later talks, while granting it crucial benefits.

In a Democratic primary for a coveted House seat in Manhattan, Micah Lasher is betting long experience can prevail despite anti-establishment headwinds.

Big tech companies and small start-ups are using social media to hype new tools that allow students to trick teachers and A.I. detectors.

Alexander Sokurov has questioned the Russian president about government repression, but he is still controversial among his country’s exiles.

Midrange attacks, using upgraded drones that Ukraine produces in huge numbers, are causing fuel shortages and complicating troop rotations.

The Obama Presidential Center, opening on June 19, is poised to attract visitors to an often-overlooked area. Here’s what you’ll find in Hyde Park and beyond.