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. Mira, one of the easiest-to-observe pulsating variable stars, reaches peak brightness this month. Don't be shy, come look her in the eye. 

    The post Mira Makes January Nights “Wonderful” appeared first on Sky & Telescope.

  2. New observations of galaxies in a universe just 800 million years old show that they’ve already settled into rotating disks. They must have evolved quickly to display such surprising maturity. Our cosmos was a messy youngster. Hotter and denser than the universe we live in now, it was home to turbulent gas flinging about under the influence of gravity. Theorists think the earliest galaxies built up gradually, first clump by […]

    The post Galaxies Show Order in Chaotic Young Universe appeared first on Sky & Telescope.

  3. Astrobiology students cultivated leafy greens, sweet potatoes, and even hops in simulated Martian dirt.

    The post Some Plants Grow Well in Martian Soil appeared first on Sky & Telescope.

  4. Astronomers presenting at the winter American Astronomical Society meeting caution that the features often pointed to as evidence of growing natal planets could form on their own.

    The post Ringed Disks Don’t Always Mean Planets appeared first on Sky & Telescope.

  5. An unassuming amateur astronomer forever linked to one of the greatest comets in modern history has passed away.

    The post Comet Discoverer Thomas Bopp (1949–2018) appeared first on Sky & Telescope.