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Pan-STARRS Discovers Its First Potentially Hazardous Asteroid

Destroyer of Worlds

Where do Supernovae Come From?

CfA Will Play Major Role in Mission to "Touch" the Sun

NASA's Hubble Harvests Distant Solar System Objects

Making Massive Stars

Can We Spot Volcanoes on Alien Worlds? Astronomers Say Yes.

Ripples in the Cosmic Background

NASA's Kepler Mission Discovers Two Planets Transiting Same Star

Water-Ice Super-Earths