Study finds the universe might be 2 billion years younger

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Study finds the universe might be 2 billion years youngerThe universe is looking younger every day, it seems. New calculations suggest the universe could be a couple billion years younger than scientists now estimate, and even younger than suggested by two other calculations published this year that trimmed hundreds of millions of years from the age of the cosmos. The huge swings in scientists’ estimates — even this new calculation could be off by billions of years — reflect different approaches to the tricky problem of figuring the universe’s real age.