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Ken Croswell

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Science: Weighty clues to the density of the Universe

Science: A flare for finding young solar systems

Science: Chill Uranus is poles apart from other giant planets

Science: Did the biggest galaxies form first?

Science: Dim pulsars may crowd our Galaxy

Science: White-hot facelifts for old stars of Milky Way

Science: Galaxy cluster shot through the heart

Science: In a whirl over stars that are ‘too old’

Science: Ice age wobbles shaped climate

Science: Popular theory of cosmology is in trouble

Science: How a sea change killed the clams

A death in the neighbourhood: Why did a giant red star turn orange before it died? Who stole its hydrogen? And what does it mean for the astronomers on the case?