Homeland Security Secretary Kristi Noem pushed back against her department’s inspector general, who told Congress in a letter that she had “systematically obstructed” his office’s work.

The battle to lower costs has reached the State Capitol, where concerns have emerged about the fate of a 2019 climate law and its ambitious goals to reduce greenhouse gas emissions.

State media and online propagandists are striking a confident posture, despite heavy losses. Some of the content was generated by artificial intelligence.

The Justice Department had John Abbamondi testify at an antitrust trial to support its case that Live Nation has acted as a monopoly, an accusation the company denies.

Also, sea levels may be higher than we thought. Here’s the latest at the end of Wednesday.

Known for reviving football programs, he led six major colleges to bowl games, winning a national championship in 1989 after restoring the Irish to greatness.

Hungary. Cuba. Afghanistan. Iraq. Now Iran?

A well-known conservative radio host in New York called Mayor Zohran Mamdani a cockroach, resurfacing anti-Muslim sentiments that the mayor said were all too common.

Companies including Google, Microsoft and OpenAI committed to pay for the power plants and grid upgrades needed to run their data centers.

In a recent review, a small group of patients received the injections less frequently but still maintained weight loss and health benefits.

The White House has floated a new plan to try to ease voter concerns over the A.I. boom’s effect on electric bills. But it won’t be easy to put into practice.

Prosecutors in the U.S. attorney’s office in Washington were unable to build a case, underscoring the department’s increasing inability to follow through on the president’s desire to indict his rivals.

TerraPower’s project in Wyoming, which uses novel technology, is the first new commercial reactor to receive federal approval in nearly a decade.

Andrea Fraser had long felt that she was to blame for the years her mother, Carmen de Monteflores, was overlooked. Now Carmen is 92. Can the Whitney Biennial make amends?

A study of over 275 violins suggests that Antonio Stradivari used wood from high-altitude forests in northern Italy to craft some of his most renowned instruments.

Hollywood careers don’t always begin where you expect them to, as Jessie Buckley, Teyana Taylor and Emma Stone could tell you.

We may want to cover your big night for a story about high school’s most important event.

Carolin Widmann had to cradle her centuries-old, multimillion-dollar instrument during a flight to Germany. Her predicament resonated with musicians who have faced similar challenges.