As Trump Weighs Possible Iran Strikes, U.S. Military Moves Into Place

President Trump has given no indication that he has made a decision about how to proceed, as diplomatic talks continue.The U.S.S. Gerald R. Ford aircraft carrier, seen here in the North Sea last year, is making its way toward the Middle East.

H Helene Cooper, Eric Schmitt and Ronen Bergman

Maps: Where the U.S. Is Building Up Military Force Near Iran

President Trump has not authorized military action in Iran, but the United States has built up its presence in the region in recent weeks. Now it’s sending even more firepower.

C Christoph Koettl, Eric Schmitt, Ashley Cai, Riley Mellen and Daniel Wood

Trump Mulls a North American Trade Pact Without Canada

U.S. officials are threatening major changes to a trade agreement with Mexico and Canada that could upend the way business is done and leave Canada on the outs.The Trump administration has a list of things it wants Mark Carney, the prime minister of Canada, to concede.

A Ana Swanson, Matina Stevis-Gridneff and Tyler Pager

Europe Worries About Another Trump Blowup, This One on Tech

Even as trade tensions between the United States and the European Union seem to calm, officials are concerned that a showdown is brewing over the bloc’s digital rules.President Trump and Ursula von der Leyen, the president of the European Union’s executive arm, in Scotland last year.

J Jeanna Smialek

In Devastated Gaza, Grandiose Peace Plans Clash With Reality

Israeli strikes on Gaza have killed about 600 people since a cease-fire began, according to health officials in the territory. Many displaced Palestinians are still living in tents. And there are some 60 million tons of war debris to be cleared.In Gaza City last week.

I Isabel Kershner, Adam Rasgon, Aaron Boxerman, Natan Odenheimer and Saher Alghorra

After Avalanche Warnings, a Sierra Nevada Tragedy

Eight skiers were killed and one other was presumed dead in the deadliest snow disaster in modern California history. Six were found alive.An avalanche beacon checkpoint flashes along a trail to Castle Peak near Donner Pass on Wednesday.

T Thomas Fuller and Jill Cowan

Sugar Bowl Academy Says Multiple Victims Were Tied to Its Ski Resort School

Sugar Bowl Academy, a ski-focused private school in the Sierra Nevada, said that multiple people on the fatal trek were connected to its program.The trail to Castle Peak near Donner Pass. Eight backcountry skiers are confirmed dead from an avalanche in the Castle Peak area at Donner Pass.

S Soumya Karlamangla, Sabrina Tavernise and Deb Wandell

As ICE Buys Up Warehouses, Even Some Trump Voters Say No

The agency is ramping up arrests, but local pushback is complicating efforts to expand detention capacity and prevent overcrowding.Stacy Bradley, right, and Sarah Wellman in the parking lot of their cheerleading gym in Surprise, Ariz. The federal government plans to convert the warehouse at right in

M Madeleine Ngo, Hamed Aleaziz and Allison McCann

How Trump Is Making Sure His Ballroom Plans Sail Through

President Trump has installed allies — including his former receptionist — on the boards and commissions tasked with overseeing the project.The site of the demolished East Wing of the White House last month. President Trump has taken several steps to eliminate any pocket of resistance to his ballroo

L Luke Broadwater

Russia Celebrated Him. Now He’s Accused of Having Troops Shoot Themselves.

A lieutenant colonel is on trial after being accused of skimming payments for battlefield injuries. He denies the specifics of Russia’s accusation but acknowledges engaging in a payouts scheme.A recruitment poster in Moscow last year. The military has struggled to root out endemic corruption.

V Valerie Hopkins and Ksenia Churmanova

The Behind the Scenes Search for Compromise on Territory in Ukraine Talks

The latest round of talks ended with no indication of progress, but negotiators are bargaining over who will control land in eastern Ukraine if they reach a settlement.Soldiers monitor the sky for Russian drones in the Donetsk region of Ukraine in December.

A Andrew E. Kramer and Anton Troianovski

Stock Slide and Slow Sales: What’s Happening in China’s E.V. Market?

Investors are selling shares of Chinese E.V. companies, concerned that intensifying competition and shorter production cycles mean the years of easy growth are over.The BYD stand at an auto show in Shanghai last year. BYD’s stock has fallen over 35 percent since its peak last May.

A Aaron Krolik

Ring’s Founder Knows You Hated That Super Bowl Ad

Since the commercial aired, Jamie Siminoff has been trying to quell an outcry over privacy concerns with his doorbell cameras.Jamie Siminoff, who founded Ring, said he understood the privacy concerns stirred by the commercial. But he also feels that more video in the world is better.

J Jordyn Holman

Money Talks as India Searches for Its Place in Global A.I.

Narendra Modi, the prime minister, convened foreign leaders, the richest Silicon Valley companies and thousands of Indian entrepreneurs for a week of deal making.The India A.I. Impact Summit unfolded across 120 acres in New Delhi this week, featuring more than 300 exhibitors and 500 sessions. Organi

A Alex Travelli and Hari Kumar

How Mamdani’s Income and Property Tax Proposals Could Affect New Yorkers

Mayor Zohran Mamdani has now proposed two options that called for raising taxes. Here’s a look at each proposal and the rationale and chances for each.Mayor Zohran Mamdani has proposed raising the property tax rate in New York City as a “last-resort” option in case state officials do not raise taxes

S Sally Goldenberg, Dana Rubinstein and Grace Ashford