Astronomy news

When you head outdoors tonight, take Sky & Telescope's podcast with you for a guided tour to the night sky. Learn what constellations are visible, find out where and when you'll see the planets, and catch each month's celestial highlights, from meteor showers to eclipses.
  1. High-energy radiation released during the merger of two neutron stars last year has left astronomers puzzled. Could a burst of gamma rays from 2015 help us to piece together a coherent picture of both explosions?

    The post Two Explosions with Similar Quirks appeared first on Sky & Telescope.

  2. The BepiColombo spacecraft, Europe's first mission to Mercury, rocketed away from Earth to begin its seven-year trek to the innermost planet.

    The post Mission to Mercury Launches appeared first on Sky & Telescope.

  3. In astronomy news this week: A gargantuan supercluster of galaxies lurks in the early universe, while data from the Fermi telescope hint at two supermassive black holes locked in a gravitational dance.

    The post 60-Second Astro News: Infant Superclusters and Wavering Gamma Rays appeared first on Sky & Telescope.

  4. Four solar system satellites — and one putative exomoon — are big enough and far enough from their home worlds to hold onto tiny moons for billions of years.

    The post Some Moons Could Have Moons of Their Own appeared first on Sky & Telescope.

  5. Fasscinated by our Moon? Want to know more about it? Join fellow lunar enthusiasts on Saturday, October 20th, for International Observe the Moon Night!

    The post Get Ready for International Observe the Moon Night appeared first on Sky & Telescope.