Space

  1. Astronomy

    Planet collisions may have rearranged crowded solar systems

    Solar systems discovered by Kepler with just one or two worlds may be remnants of planet families that were once far more crowded.

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  2. Planetary Science

    Mysterious bright spot on Ceres has a partner

    A new image from the Dawn spacecraft finds two bright patches within a basin, possibly caused by an ice volcano.

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  3. Astronomy

    Monster black hole lurks in the early universe

    A black hole weighing the same as 12 billion suns is the most massive one known in the early universe.

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  4. Earth

    Water’s unclear origins, shaky solutions to climate change and more reader feedback

    Readers discuss the pitfalls of carbon storage, whether a recent movie got Alan Turing's story right and more.

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  5. Oceans

    ‘Ocean Worlds’ chronicles the story of water on Earth and across the cosmos

    Jan Zalasiewicz and Mark Williams recount the history and predict the future of Earth’s oceans.

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  6. Planetary Science

    Space simulations of 1960s focused on survival

    50 years ago, space simulations focused on survival. Now, quality of life is critical, too.

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  7. Planetary Science

    New Horizons spies two of Pluto’s moons

    Nix and Hydra come into view on the 85th anniversary of Pluto’s discovery.

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  8. Cosmology

    The past according to Planck: Cosmologists got a lot right

    New results from the Planck satellite largely support cosmologists’ theories, but leave the door open for new discoveries.

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  9. Planetary Science

    Dwarf planet Ceres comes into view

    New images from the Dawn spacecraft reveal a landscape of craters and mysterious bright patches on the dwarf planet Ceres.

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  10. Astronomy

    Pair of stars buzzed the solar system 70,000 years ago

    Astronomers discover a binary system that made the closest known flyby of the sun.

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  11. Astronomy

    Closest star approach to the sun

    Astronomers discover a binary system that made the closest known flyby of the sun.

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  12. Astronomy

    Giant hydrogen cloud headed for Milky Way

    A high-speed hydrogen cloud on a crash course with the Milky Way appears to be an exotic interloper, preliminary data suggest.

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