An escalating confrontation on Native land southwest of Tucson threatens to upend decades of uneasy cooperation between the Tohono Oodham Nation and the United States.

A.I. is already a powerful tool for scientific discovery. Now, some biomedical researchers are teaching it to do even more.

Alignment is the science of teaching A.I. to do what is in line with human preferences, ethics and judgment. But, at times, the systems have gone rogue.

The president blasted the rest of the Fed and kept up his demand for a cut but spared Fed Chairman Kevin M. Warsh from the criticism.

This is what I see when I look at the picture Bo French hates.

The administration argues that presidential papers are like those of Supreme Court justices.

The New York Philharmonics season started with a barnstorming tour of Manhattan to celebrate Dudamels arrival as music and artistic director.

For decades, his bold colors and benign peace-and-love message captivated those who saw America shining.

One superintendent is trying to apply what hes learned to other shattered districts and reckoning with the toll of the disaster on his own life.

The Arizona politician rose to the second-highest position in the Republican-held Senate caucus thanks to his policy smarts and deft political sensibilities.

The institution shut its doors to the public on Tuesday in a decision that a federal judge will scrutinize.

The face of London in the 1960s is living her best life at the age of 77.

Israels right-wing government is opening bidding for thousands of housing units in a patch of the West Bank, a move that would thwart efforts at Palestinian statehood.

The war with Iran revealed just how much influence the worlds biggest oil importer has over prices and other countries supplies of jet fuel, gasoline and diesel.

The World Bank president, Ajay Banga, has worked to make the development institution a magnet for private capital as donor nations face budget constraints.

The decision was announced a day after data showed the fastest pace of price increases in months.

A one-woman show about the perils of authoritarianism draws on a memoir by the Hungarian-American writer Kati Marton. Under Viktor Orbans government, it might not have happened.

A recent high-profile shooting outside a mosque and rising threats to houses of worship have focused attention on security guards. Now, unions are pressing for better pay and training.

Speaking to the European Parliament, Prime Minister Mark Carney said the alliance would help to secure sovereignty and independence for his country.

A billion-dollar behemoth that looks like a spaceship houses the art collection of the Star Wars filmmaker George Lucas and his wife, Mellody Hobson. Its an instant landmark.

In a rare interview, Patrick Schiltz, who served as the federal courts chief judge last winter, called the administrations actions a grave threat to the rule of law.

The collected essays of Dario Amodei help explain why some people are so worried about artificial intelligence.

Kevin M. Warsh, the chairman of the Federal Reserve, on Wednesday left open-ended how much more interest rates may have to rise to tame inflation.

Many countries blunted the most painful effects of the energy shock from the war in Iran. But prices remain elevated and risks are multiplying.

Plus, the rise of shopping sites that dont sell anything.