Astronomy

  1. Astronomy

    Rocky planets around cool stars may have Earthlike climates

    Small, rocky planets that sit close to cool stars might be able to keep spinning, creating conditions hospitable to life.

    By Christopher Crockett
  2. Astronomy

    Large rocky planets excel at ocean building

    Rocky planets a few times as massive as Earth may build deeper oceans – and sustain them for longer – than smaller worlds.

    By Christopher Crockett
  3. Astronomy

    Hubble telescope captures panorama of Andromeda galaxy

    The Hubble Space Telescope captured a panoramic mosaic of the closest spiral galaxy to the Milky Way, mapping the light from over 100 million stars.

    By Christopher Crockett
  4. Astronomy

    Pair of black holes prepare to take the plunge

    A pair of supermassive black holes in a distant galaxy will likely collide in the next million years.

    By Christopher Crockett
  5. Astronomy

    Kepler telescope discovers another 554 possible planets

    Extra year of Kepler telescope data adds 554 possible planets and eight confirmed ones that might be able to host life.

    By Christopher Crockett
  6. Astronomy

    Hubble telescope snaps new images of iconic stellar nursery

    Hubble's new view of the Pillars of Creation, a star-forming region in the Milky Way, hints at how the nebula has changed over the last 20 years.

    By Ashley Yeager
  7. Astronomy

    Europa’s geysers play hard-to-see

    Follow-up observations of Europa failed to confirm the existence of geysers venting the Jupiter moon’s hidden ocean into space.

    By Andrew Grant
  8. Astronomy

    Hubble telescope spots our galaxy’s newest neighbor

    The Milky Way galaxy has a new neighbor, Hubble images show.

    By Ashley Yeager
  9. Astronomy

    Revived Kepler telescope finds first exoplanet

    NASA’s Kepler space telescope finds its first planet — a possible super-Earth — since getting a second chance at life.

    By Christopher Crockett
  10. Planetary Science

    Rosetta may have spotted comet’s primordial ingredients

    Photos taken by the Rosetta spacecraft may show pristine material that formed the solar system’s comets, asteroids and planets roughly 4.6 billion years ago.

    By Andrew Grant
  11. Astronomy

    Year in review: Dust obscures possible gravitational wave discovery

    A possible signal from moments after the Big Bang may be due to dust in the Milky Way galaxy.

    By Christopher Crockett
  12. Planetary Science

    Year in review: Rosetta mission hits its target

    The Rosetta spacecraft and its lander Philae are providing an intimate look at the life of comet 67P/Churyumov-Gerasimenko.

    By Ashley Yeager