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Overview: Tens of thousands marched through Madrid on Saturday to protest Spain's housing crisis and the eviction of an 87-year-old woman, camping overnight in Madrid's historic Puerta del Sol plaza.

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President Trump and the leaders of the country's largest artificial intelligence companies have signed a set of voluntary safety standards, as calls mount for tighter guardrails on powerful AI technology.

The MacArthur Foundation has just announced its latest batch of 20 fellows.

Russia is ramping up its daytime strikes on Ukraine.

Transportation correspondent Gio Benitez reports on elevated airfares as industry analysts warn travelers could be stuck paying higher fares for months, even if fuel prices fall.

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Tens of thousands marched through Madrid on Saturday to protest Spain's housing crisis and the eviction of an 87-year-old woman, camping overnight in Madrid's historic Puerta del Sol plaza.

The 14th test flight of SpaceX's Starship successfully achieved orbit Monday morning and splashed down in the Pacific just before noon.

Democrats press HHS over legal representation of migrant children

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air base released on bail, Trump administration rolls back fuel efficiency standards for new vehicles, prosecutors reopen Cornell fraternity rape case.

President Trump and the leaders of the country's largest artificial intelligence companies have signed a set of voluntary safety standards, as calls mount for tighter guardrails on powerful AI technology.

WATCH: Dolly Day celebrated across the US

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