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Investigating the Lives and Deaths of Star Clusters

All stars are born in groups but then slowly disperse into space. A new theory seeks to explain how these groups form and fall apart or, in rare cases, persist for hundreds of millions of years...

By Steven W. Stahler

What Came before the Big Bang?

Our universe may have started not with a big bang but with a big bounce—an implosion that triggered an explosion, all driven by exotic quantum-gravitational effects

By Martin Bojowald

Do We Live in a Holographic Universe?

An experiment going up outside of Chicago will attempt to measure the intimate connections among information, matter and spacetime. If it works, it could rewrite the rules for 21st-century physics...

By Michael Moyer

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