The best-selling author of “Sapiens” and “Nexus” discusses the core delusions deranging our politics.

Alabama is likely to appeal the ruling, which stops an effort to use a new congressional map that would likely cost Democrats a majority-Black district.

Pope Leo XIV’s spiritual message on artificial intelligence arrived as Silicon Valley’s A.I. enthusiasts pursue their own spirituality through technology.

Florida officials had asked the justices to hear a lawsuit accusing California and Washington of improperly granting licenses to an immigrant accused in a fatal crash.

Organizations that track online traffic confirmed an uptick in activity on Tuesday, as Iranians reconnected to the global internet after a government-imposed shutdown.

A group of immigration judges in 2020 challenged work-related restrictions on their public speaking engagements, saying they violated their free speech rights.

After a 27-year drought, the New York Knicks are headed to the N.B.A. finals. Fans flooded the streets of the city in celebration.

Companies say it’s a better way to dispose of the Cold War-era material — and fix a shortage of nuclear fuel. But the plan has also faced criticism from nonproliferation experts.

The ways it set up its board and Mr. Musk’s pay appear to benefit him at the expense of other shareholders, corporate governance experts said.

The co-founder of a prominent A.I. company was nearby as the pope implored A.I. leaders to slow down and consider the technology’s possible perils.

President Trump, who will turn 80 next month, did not give details on the exam.

The police say that celebrations outside of Madison Square Garden have gotten out of control. Fans and insiders say the chaos has been driven by social media influencers.

How prediction-market ‘sharps’ have made millions wagering on everything from war to Rotten Tomatoes.

The Ultimate Fighting Championship bout is scheduled for June 14, President Trump’s 80th birthday.

Lenacapavir, which protects people from H.I.V. infection with twice-yearly shots, is arriving in a country where the health system has been hollowed out by American aid cuts.

While global warming is still a threat, the decision to back away from a worst-case outlook raises questions about whether some risks have been overstated.

The United Nations has a new plan for weighing economic gains alongside health and environmental progress. But consensus is elusive.

The British oil group said that Albert Manifold had been removed, after concerns were raised “related to important governance standards, oversight and conduct.”

Dermatologists are flummoxed.