June 26, 2026 • There’s an object in space 25 times the size of Jupiter that’s stumped scientists for years. They haven’t been able to figure out if it’s a planet or a failed star. But scientists are ...

June 28, 2026 • The anxieties before the World Cup were many. But with the knockout round set to begin Sunday, it's fair to say: The North American World Cup has been a thrill. June 27, 2026 • The U.S ...

As the United States marks its 250th anniversary, the National Academy of Sciences and the Smithsonian Institution are co-hosting a daylong symposium exploring the ideas, technologies, and people that ...

Current and former intelligence officials say the efforts to shrink the office that coordinates the nation’s 18 spy services are haphazard and threaten its mission. Gen. Christopher Donahue, seen as a ...

The parallels between Joseph Stalin’s Winter War and Donald Trump’s Iran War—two miscalculated conflicts exposing a great power’s weaknesses—are striking.

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Read the latest national and world news, including stories from Newsday's reporters in Washington, D.C. America split from monarchy 250 years ago. Trump's presidency is testing how far it's come ...