Expansion of the Universe

More Edwin Hubble Discovering the expanding universe November 20, 2014

Big Bang Starting a universe with a bang November 18, 2014

Deuterium Drinking up the Big Bang November 23, 2012

The Sombrero Looking beneath the brim of a galaxy July 1, 2012

Today on StarDate

Enjoy StarDate magazine on your iPad, Kindle or Nook with our digital edition.

Keep up with everything in the sky with a subscription to our daily radio program, hosted by Sandy Wood.

$34.95

StarDate depends on the support of listeners and astronomy enthusiasts like you. Please consider making a tax-deductible contribution to StarDate.