Your monthly journey through the fascinating world of space and astronomy with the latest thinking on what's out there in space and what you can see in the night sky.
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August 3, 1969
Episodes: 9
6.9
April 24, 1957
Episodes: 9
January 8, 1958
Episodes: 12
January 12, 1959
Episodes: 13
January 20, 1960
Episodes: 13
January 30, 1961
Episodes: 11
January 17, 1962
Episodes: 12
January 23, 1963
Episodes: 12
January 10, 1964
Episodes: 11
January 15, 1965
Episodes: 13
January 14, 1966
Episodes: 12
January 6, 1967
Episodes: 13
January 5, 1968
Episodes: 14
January 27, 1969
Episodes: 13
January 12, 1970
Episodes: 13
January 13, 1970
Episodes: 13
January 5, 1972
Episodes: 13
January 8, 1973
Episodes: 13
January 27, 1974
Episodes: 12
January 6, 1975
Episodes: 13
January 21, 1976
Episodes: 13
January 17, 1977
Episodes: 13
January 11, 1978
Episodes: 14
January 10, 1979
Episodes: 13
January 10, 1980
Episodes: 12
January 11, 1981
Episodes: 12
January 10, 1982
Episodes: 12
September 9, 1983
Episodes: 15
January 8, 1984
Episodes: 13
January 13, 1985
Episodes: 13
January 11, 1986
Episodes: 13
January 18, 1987
Episodes: 13
January 17, 1988
Episodes: 13
January 15, 1989
Episodes: 13
January 22, 1990
Episodes: 13
January 21, 1991
Episodes: 13
January 12, 1992
Episodes: 13
January 10, 1993
Episodes: 13
January 9, 1994
Episodes: 13
January 9, 1995
Episodes: 13
January 8, 1996
Episodes: 14
January 27, 1997
Episodes: 12
January 12, 1998
Episodes: 13
January 11, 1999
Episodes: 13
January 17, 2000
Episodes: 13
January 8, 2001
Episodes: 13
January 7, 2002
Episodes: 13
January 6, 2003
Episodes: 12
January 4, 2004
Episodes: 12
January 3, 2005
Episodes: 14
January 2, 2006
Episodes: 14
January 7, 2007
Episodes: 14
January 7, 2008
Episodes: 12
January 5, 2009
Episodes: 16
January 4, 2010
Episodes: 12
January 3, 2011
Episodes: 12
January 9, 2012
Episodes: 12
January 7, 2013
Episodes: 12
February 9, 2014
Episodes: 11
January 11, 2015
Episodes: 11
February 14, 2016
Episodes: 10
January 8, 2017
Episodes: 10
January 14, 2018
Episodes: 11
January 13, 2019
Episodes: 11
January 12, 2020
Episodes: 10
January 17, 2021
Episodes: 10
8.0
January 9, 2022
Episodes: 9
7.0
April 10, 2023
Episodes: 8
April 8, 2024
Episodes: 8
April 14, 2025
Episodes: 8
No reviews available.
September 28, 1980
October 14, 2013
September 27, 1998
March 22, 2016
April 25, 2010
January 9, 1998
October 16, 2012
May 29, 2007
April 25, 2010
June 9, 2010
July 4, 2016
March 21, 2011
October 27, 2021
March 6, 2011
March 27, 1991
April 4, 2020
October 10, 2016
July 17, 2023
December 14, 2025
July 20, 2009