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Astronomers have identified a new extrasolar planet that is thought to be comprised of more than 80% iron.
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Scouring the cosmos for evidence of extraterrestrial life is going to be a major priority in the coming decades.
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Scientists searching for life-bearing exoplanets have identified a new class of potentially habitable world.
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Astronomers have identified an extrasolar planet that appears to have regenerated its own atmosphere.
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Astronomers have discovered what could be an indication of a previously undiscovered extrasolar world.
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Astronomers have identified a nearby extrasolar world that is not only terrestrial in nature, but also ancient.
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A new NASA study has revealed just how many potentially habitable worlds there are in our galaxy.
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Other stars may be able to host more than our own solar system's solitary habitable world, a new study suggests.
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Scientists have highlighted the role of dust in cooling or warming an otherwise uninhabitable extrasolar world.
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The closest known extrasolar planet may also be one of the most Earth-like worlds ever discovered.
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Astronomers have identified a distant exoplanet with a size and orbit comparable to that of the Earth.
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A relatively nearby extrasolar world discovered back in 2004 has since disappeared without a trace.
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Scientists have discovered one of the most Earth-like extrasolar worlds ever seen and they almost missed it.
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Scientists have identified an extrasolar planet with some of the most hostile surface conditions ever seen.
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Astronomers have discovered a huge planet orbiting the burnt-out husk of a star that was once like the Sun.
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Water vapor has been identified on what is being hailed as the most habitable exoplanet found to date.
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Astrophysicists have discovered a way to detect the surviving cores of planets orbiting white dwarf stars.
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The new worlds are so much like our own that both are now on a list of the 19 planets most likely to support life.
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According to a new study, many planets in the so-called habitable zone can only support single-celled organisms.
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Scientists have identified a potential new way to detect the presence of extraterrestrial life on distant worlds.