Space

  1. Astronomy

    Planet found around sun twin in star cluster

    The exoplanet YBP1194b orbits a twin of the sun in the star cluster Messier 67. Astronomers found three planets orbiting stars in the cluster.

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  2. Astronomy

    Kepler’s surprise: Planet hunter also found supernovas

    NASA's now-defunct Kepler space telescope captured five stellar explosions as they happened.

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  3. Science & Society

    Tracking fireballs for science

    Watching a meteor race across the night sky is a romantic experience. And now it can be a scientific one as well.

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  4. Astronomy

    Galaxies’ missing mass may hide in gas clouds

    Vast reservoirs of previously undetected gas could account for much of galaxies’ matter, solving a cosmic mystery.

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  5. Cosmology

    From Dust to Life

    In about 300 pages, this book sums up the history of all that matters — or at least everything made of matter — from the Big Bang to life on Earth.

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  6. Life

    Feedback

    Readers respond to microbe counts, engineered organs and how to map the universe.

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  7. Astronomy

    “Black holes” in space

    Science News Letter was the first publication to use the term in print in 1964.

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  8. Astronomy

    Enormous cosmic lens magnifies supernova

    Galaxy warps light of distant exploding star, greatly increasing its brightness.

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  9. Earth

    The long and winding Colorado

    The history of the West’s iconic river is written in the dramatic landscapes it has shaped. How to interpret that chronicle has become a contentious issue among geologists.

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  10. Astronomy

    Earth-mass planet resembles a mini-Neptune

    KOI-314c, an exoplanet 200 light-years away, is about 60 percent larger than Earth but made mostly of gas.

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  11. Astronomy

    Supernova is a dust factory

    Grains of matter spewed by stellar explosion offer clues to early star formation.

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  12. Astronomy

    Unusual three-star system promises new test of gravity

    A unique stellar threesome could help astronomers test the leading theory of gravity to unprecedented precision.

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