The holiday marks the unofficial start of summer and honors those who have died in the nation’s wars. Here’s how it all began.

Long regarded as two versions of the same populist phenomenon, they’re now clearly two different stories — each with its own cautionary tale.

Trump’s fixation on tariffs while he undermines America’s competitive strengths is hastening the onset of the “Chinese Century.”

In a visit to the White House, President Cyril Ramaphosa will also highlight business opportunities for Elon Musk.

Tents, shelters for fighter jets and warehouses for military vehicles show increased Russian presence near one of NATO’s newest members.

Top officials from Britain and the European Union will gather in London on Monday. Here’s what to expect.

The cancer has metastasized to the bone, according to a statement from Mr. Biden’s personal office.

TechCrunch reports: The world's only net-positive fusion experiment has been steadily ramping up the amount of power it produces, TechCrunch has learned. In recent attempts, the team at the U.S. Department of Energy's National Ignition Facility (NIF) increased the yield of the experiment, first to 5.2 megajoules and then again to 8.6 megajoules, according to a source with knowledge of the experiment. The new results are significant improvements over the historic experiment in 2022, which was the first controlled fusion reaction to generate more energy than the it consumed. The 2022 shot generated 3.15 megajoules, a small bump over the 2.05 megajoules that the lasers delivered to the BB-sized fuel pellet. None of the shots to date have been effective enough to feed electrons back into the grid, let alone to offset the energy required to power the entire facility — the facility wasn't designed to do that. The first net-positive shot, for example, required 300 megajoules to power the laser system alone. But they are continued proof that controlled nuclear fusion is more than hypothetical.

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While prognoses for prostate cancer patients were once measured in months, experts say that advances in treatment and diagnosis now improve survival by years.

The episode happened in Fremont, Ohio, on Sunday night. The mayor said at least one person was missing and emergency crews were searching the Sandusky River.

The tornadoes were reported on Sunday as storms capable of producing hail larger than golf balls were expected to strike the Great Plains on Monday.

At least 28 people have been killed in storms that have pummeled the Midwest and Mid-Atlantic regions since Friday. Kentucky and Missouri have been hit particularly hard.

A Mexican Navy ship never intended to sail under the Brooklyn Bridge. U.S. and Mexican officials are investigating what led to the accident that killed two crew members.

The agency said its trains would start running again on Tuesday morning.

The suspect, a 25-year-old man, targeted the fertility clinic in the bombing that damaged the facility and several blocks of downtown. Authorities are still looking for a motive.

A deal on Sunday evening ended the three-day strike. But trains will not resume running a full schedule until Tuesday, the agency said.

He won five Oscars as a makeup artist on movies in which characters transformed, like “Mrs. Doubtfire,” “White Chicks” and many more.

OpenAI CEO and Sam Altman believe Artificial General Intelligence could arrive within the next few years. But the speculations of some technologists "are getting ahead of reality," writes the New York Times, adding that many scientists "say no one will reach AGI without a new idea — something beyond the powerful neural networks that merely find patterns in data. That new idea could arrive tomorrow. But even then, the industry would need years to develop it." "The technology we're building today is not sufficient to get there," said Nick Frosst, a founder of the AI startup Cohere who previously worked as a researcher at Google and studied under the most revered AI researcher of the last 50 years. "What we are building now are things that take in words and predict the next most likely word, or they take in pixels and predict the next most likely pixel. That's very different from what you and I do." In a recent survey of the Association for the Advancement of Artificial Intelligence, a 40-year-old academic society that includes some of the most respected researchers in the field, more than three-quarters of respondents said the methods used to build today's technology were unlikely to lead to AGI. Opinions differ in part because scientists cannot even agree on a way of defining human intelligence, arguing endlessly over the merits and flaws of IQ tests and other benchmarks. Comparing our own brains to machines is even more subjective. This means that identifying AGI is essentially a matter of opinion.... And scientists have no hard evidence that today's technologies are capable of performing even some of the simpler things the brain can do, like recognizing irony or feeling empathy. Claims of AGI's imminent arrival are based on statistical extrapolations — and wishful thinking. According to various benchmark tests, today's technologies are improving at a consistent rate in some notable areas, like math and computer programming. But these tests describe only a small part of what people can do. Humans know how to deal with a chaotic and constantly changing world. Machines struggle to master the unexpected — the challenges, small and large, that do not look like what has happened in the past. Humans can dream up ideas that the world has never seen. Machines typically repeat or enhance what they have seen before. That is why Frosst and other sceptics say pushing machines to human-level intelligence will require at least one big idea that the world's technologists have not yet dreamed up. There is no way of knowing how long that will take. "A system that's better than humans in one way will not necessarily be better in other ways," Harvard University cognitive scientist Steven Pinker said. "There's just no such thing as an automatic, omniscient, omnipotent solver of every problem, including ones we haven't even thought of yet. There's a temptation to engage in a kind of magical thinking. But these systems are not miracles. They are very impressive gadgets." While Google's AlphaGo could be humans in a game with "a small, limited set of rules," the article points out that tthe real world "is bounded only by the laws of physics. Modelling the entirety of the real world is well beyond today's machines, so how can anyone be sure that AGI — let alone superintelligence — is just around the corner?" And they offer this alternative perspective from Matteo Pasquinelli, a professor of the philosophy of science at Ca' Foscari University in Venice, Italy. "AI needs us: living beings, producing constantly, feeding the machine. It needs the originality of our ideas and our lives."

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The bombardment, which Ukrainian officials said mostly targeted Kyiv, came just a day before President Trump was expected to talk with President Vladimir V. Putin of Russia.

In London, Ky., the scope of the destruction from a tornado that killed 19 in the state was coming into view as residents tried to process the disaster.