Teenager Is Charged With Aiding Plot to Attack Taylor Swift Concert in Vienna

The youth, a Syrian who lives in Germany, was accused of helping to interpret bomb-building instructions and of translating an oath of allegiance to the Islamic State for the main suspect.

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Israel Suggests It Could Strike Iran Again to Counter New Threats

Israel’s defense minister said Israel would strike if Iran seeks to develop long-range missiles or advance its nuclear program, despite a truce.

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Orcas Use Kelp as a Possible Grooming Tool

In a new sign of toolmaking in marine mammals, orcas in the Pacific Northwest were recorded rubbing stalks of kelp against each other’s bodies, a study shows.

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A.I. Frenzy Escalates as OpenAI, Amazon and Meta Supersize Spending

Companies like OpenAI, Amazon and Meta have supersized their spending on artificial intelligence, with no signs of slowing down.

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Hard Fork Live, Part 1: Sam Altman and Brad Lightcap of OpenAI

Highlights from our first live taping, and our reaction to a spicy interview with OpenAI leaders.

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Mark Zuckerberg Ramps Up Meta’s A.I. Spending as Competition Heats Up

Unhappy with his company’s artificial intelligence efforts, Meta’s C.E.O. is on a spending spree as he reconsiders his strategy in the contest to invent a hypothetical “superintelligence.”

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How Long-term Compounding Multiplies the Awesome Power of the Stock Market

Time is the secret ingredient of investing, a market veteran says. Over many decades, diversified stock index funds have produced extraordinary results.

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Republicans Prepare to Open ‘Pandora’s Box’ of Budget Gimmicks

With the broad tax and health care bill they are now trying to muscle into law, Senate Republicans are preparing to upend Washington’s accounting standards.

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For Casino Operators, It’s Deadline Day

Applications to open a casino in the New York area are due today, and the state board will then choose the winners after public hearings.

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On a Quiet Southern Border, Empty Farms and Frightened Workers

As federal immigration sweeps have prompted protests across the nation, the border is eerily quiet, as would-be migrants stay away and undocumented workers hide at home.

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