What if the raw power of lava could be transformed into the building material of the future? That’s the bold idea being toyed ...

David A. Graham, Lora Kelley, and colleagues guide you through today’s biggest news, ideas, and cultural happenings. Sign up for the newsletter here. If the president and his team have their way ...

U.S. intelligence officials testified before a House committee after the Atlantic released more messages from a Signal group chat in which the magazine’s editor in chief was mistakenly added.

If concerns about population decline are sometimes overstated, the effects of an aging society are genuinely troubling from a prosocial point of view.

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National Security Advisor Michael Waltz, Vice President Vance and Defense Secretary Pete Hegseth listen to a question from a reporter during a meeting in the Oval Office on March 13. Photo: Andrew ...