Many N.F.L. Players Get Brain Disease. Why Hasn’t OSHA Intervened?

“We never see things that are this dire,” a former chief scientist of the agency said about rates of C.T.E. in former players.The former N.F.L. player Jonathan Martin entering an M.R.I. machine for a brain examination that was part of a study to develop treatments for the symptoms and illnesses link

J John Branch

Supreme Court Allows Trump to Pursue Mail Voting Limits, for Now

The administration asked the court to clear the way for President Trump’s order that creates “state citizenship lists” and directs the Postal Service to decide who gets a mail-in ballot.Volunteers processing mail-in ballots on Nov. 5, 2024, in Dearborn, Mich.

A Abbie VanSickle and Ann E. Marimow

Trump Has Quietly Sought Control Over Postal Service to Transform U.S. Elections

That effort got new attention on Monday, when the Supreme Court allowed preparations for mail voting curbs to proceed. The justices said it is not a final determination on the order’s legality.President Trump and his allies are trying to transform the U.S. Postal Service into a key player in their e

Z Zolan Kanno-Youngs, Adam Sella and Nick Corasaniti

How U.S.-Canada Tariff Negotiations Turned Into an All-Out Trade War

Detailed accounts of the final hours of the negotiations show that, while the United States offered Canada what it said was the best deal of any country, what Canada had to give up in exchange was seen as unthinkable.Prime Minister Mark Carney of Canada speaking about the trade dispute with the Unit

M Matina Stevis-Gridneff and Ana Swanson

Trump’s Attempt to Strangle Iran’s Economy Depends on China’s Cooperation

The U.S. has spent 20 years promising ‘crippling sanctions’ on Iran. But the latest effort comes with a reverse twist, after military action failed to accomplish President Trump’s goals.In announcing Operation Economic Outcast, the Trump administration said on Monday that it would involve choking of

D David E. Sanger

Trump Administration to Return Diplomats to Middle East Embassies

Evacuated foreign service officers could begin heading back to their posts as early as this week, an internal document shows, suggesting Washington does not anticipate a renewal of full-scale conflict with Iran.The U.S. Embassy in Beirut will be the first to see staff return, according to State Depa

N Natan Odenheimer and Adam Rasgon

Trump Officials Propose Charging More Than $100,000 for Skilled Worker Visas

The proposal comes after the Trump administration ran into legal challenges in its attempt to attach a similar fee to the H-1B visa last year.The Trump administration has called for an overhaul of the H-1B visa program, saying it has unfairly allowed companies to sideline Americans and hire foreign

M Madeleine Ngo

A Chinese A.I. Lab May Test the World’s Cybersecurity With a Model

In July, an unreleased OpenAI model went rogue and demonstrated remarkable hacking abilities. This week, a lab called Z.ai will release a similarly powerful system to everyone.A Chinese lab called Z.ai is preparing to release similar A.I. technology as “open weight” software.

C Cade Metz

What Happened to the Coveted Western Tanks Sent to Ukraine?

Ukraine pleaded for the expensive weapons, and ultimately got them, but drones have rendered them almost unusable.Soldiers replacing the engine of a Leopard tank at a repair and storage facility in the Kharkiv region last month.

C Cassandra Vinograd and Oleksandr Chubko

3 Charts That Explain El Niño

With air and sea surface temperatures already breaking records, this year’s episode is on track to be the strongest in living memory.

M Mira Rojanasakul and Chico Harlan