Cosmic Evolution

  • High-Energy Telescope
    A new, high-energy window on the universe has opened in Namibia, Africa. The Max Planck Society inaugurates their stereoscopic view of the galaxy.
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  • Hubble Discovers Black Holes in Unexpected Places
    Previously undiscovered black holes provide an important link that sheds light on the way black holes grow. Even more odd, these new black holes were found in the cores of glittering, "beehive" swarms of stars -- called globular star clusters -- that orbit our Milky
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  • Sagan as Teacher, as Collaborator
    The legacy of Carl Sagan's unification of both skepticism and wonder. Read more about contributions, from a remarkable interview with Ann Druyan, the widow of renowned scientist Carl Sagan, and astrophysicist Steven Soter who collaborated with Sagan over many years to create the famed television
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  • A Shortage of Planets
    When they turned the Hubble Space Telescope on a distant globular cluster of stars, astronomers expected to find fifteen or twenty planets. They found zero.
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  • Cold Clouds and Water in Space
    Astronomers have for the first time determined how much of the water in cold regions of space is in gaseous form and how much is frozen. This is especially interesting because these regions are the future birthplaces of low-mass stars like the Sun, and solar
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  • Galactic Habitable Zones
    Our Milky Way Galaxy is unusual in that it is one of the most massive galaxies in the nearby universe. Our Solar System also seems to have qualities that make it rather unique. These qualities make the Sun one of the few stars in the
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  • The Dance of the Giant Planets
    A team of planet hunters January 9th announced a discovery that will help researchers better understand planet migration and how planets' gravitational pulls influence each other.
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