The legal underpinnings of the administration’s broadsides against universities and schools stretch precedents and cut corners.

An official on the administration’s antisemitism task force told the university that a letter of demands had been sent without authorization.

Senator Chris Van Hollen said that Kilmar Armando Abrego Garcia,who was deported and incarcerated in El Salvador, reported having been transferred after weeks in a maximum-security prison.

For decades, universities got billions in federal dollars for research. The relationship was mutually beneficial, until President Trump decided it wasn’t.

Judge James E. Boasberg had threatened to open contempt proceedings to determine whether the Trump administration had violated his order not to deport Venezuelan migrants to El Salvador.

A group of transgender plaintiffs sued President Trump and the State Department over a new rule prohibiting passports from including a gender different from the sex listed on an original birth certificate.

The glowing object was a bolide, fireballs that explode in a bright flash, according to experts. It streaked across Mexico’s predawn skies on Wednesday.

An interim U.S. attorney is demanding information about the selection of research articles and the role of N.I.H. Experts worry this will have a chilling effect on publications.

President Trump and Secretary of State Marco Rubio both suggested Friday that the United States might wash its hands of the peace effort.

Sewell Chan, who started as executive editor of the publication in September, said his firing after several staff complaints was “baffling.”

Donald Trump’s self-serving crypto push worsens criminal activity and heightens risks for financial markets.

As of August, the president’s investment portfolio showed significantly more in bonds than in stocks. It is unclear if his personal holdings had any bearing on his decisions regarding tariffs.

Treasury Secretary Scott Bessent complained to President Trump that the acting commissioner had been installed without his knowledge.

Millions of people compulsively pick their skin or pull their hair. Social media is helping some of them to recover.

Stepping up its pressure campaign, the Education Department accused the university of failing to report large foreign gifts as required by law. Harvard disputed the claim.

President Trump again attacked the chair of the Federal Reserve this week, but advisers say the president has turned more cautious on policies that could stoke extreme financial volatility again.

Social media feeds are awash in images of lavish baskets overflowing with expensive gifts. Some parents are giving their children bikes. Others are pushing back.

Within a year, two federal judges declared the tech giant a monopoly in search and ad technology. The tide may be turning for antitrust.

Prime Minister Mark Carney was repeatedly the target of his opponents. President Trump’s threats on Canada loomed over the debate.

The Trump administration is on course for a potential constitutional clash with the judiciary branch, which has issued several rulings countering executive orders.