Astronomy

  1. Astronomy

    Stopping starlight may bring other Earths into focus

    Two new telescope concepts compete for NASA’s approval, in hopes of taking the first picture of a life-bearing exoplanet.

    By
  2. Astronomy

    Hubble space telescope spies teenage galaxies

    New Hubble telescope images show ultraviolet radiation from stars born during the universe’s adolescent phase.

    By
  3. Astronomy

    Galactic collision creates huge particle collider

    New images reveal a jet of particles shooting out of a collision among four galaxy clusters.

    By
  4. Planetary Science

    Moon’s origins revealed in rocks’ chemistry

    A new chemical measurement of rocks from Earth and from the moon supports the giant impact hypothesis, which explains how the moon formed billions of years ago.

    By
  5. Astronomy

    Revived Kepler mission bags three planet candidates

    During a nine-day engineering test, the Kepler space telescope turned up three potential Jupiter-sized planets orbiting other stars.

    By
  6. Astronomy

    Rocky, overweight planet shakes up theories

    Kepler-10c is a rocky exoplanet 17 times as massive as Earth, and astronomers are puzzled as to how it formed.

    By
  7. Astronomy

    Kepler space telescope finds first ‘mega-Earth’

    'Mega-Earth' has been added to the distinctions that describe exoplanets thanks to a newly announced Kepler space telescope discovery.

    By
  8. Astronomy

    Feedback

    Readers discuss the speed of spinning particles, what defines a planet and how to see invisible shrimp.

    By
  9. Astronomy

    Young, hot exoplanet takes title for longest year

    Newly discovered exoplanet sits a whopping 2,000 times farther from its star than Earth does from the sun.

    By
  10. Planetary Science

    Titan’s haze gives clues to clouds on exoplanets

    Titan’s hazy atmosphere may help astronomers better understand what’s going on in the clouds of exoplanets.

    By
  11. Astronomy

    Sun shines new life on Kepler space telescope

    NASA approved a proposal to bring the crippled Kepler spacecraft back to life, using sunlight as balance to help the telescope search for planets and more.

    By
  12. Planetary Science

    Rosetta spacecraft’s comet develops dusty envelope

    Comet 67P/Churyumov-Gerasimenko, the target of ESA’s Rosetta mission, has developed a dust coma.

    By