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Astronomers Found a Gas Giant Orbiting Surprisingly Close to a Tiny Star

Astronomers watching a small red dwarf star 500 light years away were surprised to notice a brief dip in its already dim light. But they quickly identified the source of the change: the darker mass of a planet passing between the distant star and our vantage point on Earth. » 5/02/15 5:45pm 5/02/15 5:45pm

Jupiter May Have Destroyed The Solar System's First Planets

It is becoming increasingly obvious that our Solar System — with its inner collection of small rocky planets and an outer region buffeted by gas planets — is quite uncommon. According to a remarkable new study, the reason may have to do with Jupiter and an ancient migratory journey that kickstarted the destruction of… » 3/24/15 8:00am 3/24/15 8:00am