Britain Faces Up to Tough Economic Choices. Finally, Economists Say.

The central bank held interest rates steady on Thursday, a decision that came at a time when British policymakers and lawmakers are confronting economic challenges.

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What Scientists Are Learning From Brain Organoids

Lab-grown “reductionist replicas” of the human brain are helping scientists understand fetal development and cognitive disorders, including autism. But ethical questions loom.

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Trump Officials Accused of Bullying Tactics to Kill a Climate Measure

Nations were poised to approve the first fee on pollution from ships. That’s when the Trump administration began the threats.

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Lula Hitches a Ride to the COP30 Climate Talks in a Chinese E.V.

The climate-friendly ride, part of a fleet assembled to shuttle delegations to the gathering in Brazil, sent a clear signal: China is making inroads in Latin America.

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Climate Diplomacy and Hardball Tactics

With this year’s global climate summit opening in Brazil, we offer a glimpse of how the Trump administration sometimes operates behind closed doors.

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COP30 Begins With U.S. Allies and Rivals Alike Calling for Action

The speeches on opening day stood in sharp contrast to the position of President Trump, who has called global warming a “con job.”

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A Sexual Assault on the President Exposes Mexico’s Endemic Machismo

President Claudia Sheinbaum was groped on the street this week, in an assault that set off a national conversation about what has and has not changed since Mexico elected its first female leader.

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Paramilitary Accepts Sudan Truce Plan, but the Military Has Not

The R.S.F. paramilitary group, facing growing condemnation for atrocities in Darfur, said it had agreed to a cease-fire proposal, but it is not yet clear what the military will do.

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Are A.I. Therapy Chatbots Safe to Use?

Psychologists and technologists see them as the future of therapy. The Food and Drug Administration is exploring whether to regulate them as medical devices.

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Judge to Consider Moving Trump’s Hush-Money Conviction to Federal Court

A federal judge must now determine whether President Trump’s immunity for official acts means that his Manhattan criminal case belongs in federal court.

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