Astronomy

  1. Planetary Science

    Dwarf planet Ceres gives off gassy water

    Astronomers report observations that Ceres releases water molecules from two distinct spots on its surface.

    By
  2. Cosmology

    New supernova spotted in nearby galaxy

    The galaxy M82 has given off a brilliant flash, which astronomers have confirmed as a type 1a supernova.

    By
  3. Astronomy

    Rosetta spacecraft checks in with Earth

    The spacecraft has successfully transmitted a signal to Earth, meaning that ESA controllers can now prepare Rosetta for its August rendezvous with comet 67P/Churyumov–Gerasimenko.

    By
  4. 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.

    By
  5. Astronomy

    Kepler’s surprise: Planet hunter also found supernovas

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

    By
  6. 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.

    By
  7. 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.

    By
  8. Life

    Feedback

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

    By
  9. Astronomy

    “Black holes” in space

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

    By
  10. Astronomy

    Enormous cosmic lens magnifies supernova

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

    By
  11. 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.

    By
  12. Astronomy

    Supernova is a dust factory

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

    By