Issues

Current issue: Vol. 146, No. 1310, February 2026

Note that once an issue has been published it is essentially "cast in stone", i.e., the content is fixed and is not changed, the only exceptions being correction of typos and replacing "in press" with the proper reference. (In such rare cases, the original published versions are available via replacing filename.pdf with filename_final.pdf, where filename is, e.g., 1310, 1310_print, 1310_booklet, and similarly for the individual new PDF file(s). Yes, the previous, uncorrected, version is filename_final.pdf and the current version is, as always, filename.pdf.) Mistakes needing an erratum will have an erratum published with a link to the original item and vice versa.

Mailing list

To sign up for a mailing list to be alerted when a new issue is published (at the beginning of even-numbered months), send an email to mailing_list AT obsmag.org (and again if you want to be removed).

Back issues

Note that (in the last several decades) there is one volume per year with a number 1880 less than the year, e.g. 2024 is volume 144. Per volume (again, in the last several decades) there are six issues, nominally published on the first day of the even-numbered months. Issue numbers are cumulative (i.e. do not start over at 1 with each new volume) and are the name of the PDF file of the corresponding issue. For full details on what was numbered when and why, see the last full paragraph on p. 2 of Dave Stickland's history of the first 125 years (1877–2002) of the Magazine.

Composite index (from 1970 to present; despite the title page, it covers everything from 1970 up through the most recent complete volume)

Back issues: online

145 (2025) 144 (2024) | 143 (2023) | 142 (2022) | 141 (2021) | 140 (2020) | 139 (2019) | 138 (2018) | 137 (2017) | 136 (2016) | 135 (2015) | 134 (2014) | 133 (2013) | 132 (2012) | 131 (2011) | 130 (2010) | 129 (2009) | 128 (2008) | 127 (2007) | 126 (2006) (more to come?)

Note that all older (pre–online-only and February 2025) content is also available at and new content is available via ADS.

All items available at ADS in reverse chronological order

All volumes at ADS (years and if necessary months in parentheses): 145 (2025) | 144 (2024) | 143 (2023) | 142 (2022) | 141 (2021) | 140 (2020) | 139 (2019) | 138 (2018) | 137 (2017) | 136 (2016) | 135 (2015) | 134 (2014) | 133 (2013) | 132 (2012) | 131 (2011) | 130 (2010) | 129 (2009) | 128 (2008) | 127 (2007) | 126 (2006) | 125 (2005) | 124 (2004) | 123 (2003) | 122 (2002) | 121 (2001) | 120 (2000) | 119 (1999) | 118 (1998) | 117 (1997) | 116 (1996) | 115 (1995) | 114 (1994) | 113 (1993) | 112 (1992) | 111 (1991) | 110 (1990) | 109 (1989) | 108 (1988) | 107 (1987) | 106 (1986) | 105 (1985) | 104 (1984) | 103 (1983) | 102 (1982) | 101 (1981) | 100 (1980) | 99 (1979) | 98 (1978) | 97 (1977) | 96 (1976) | 95 (1975) | 94 (1974) | 93 (1973) | 92 (1972) | 91 (1971) | 90 (1970) | 89 (1969) | 88 (1968) | 87 (1967) | 86 (1966) | 85 (1965) | 84 (1964) | 83 (1963) | 82 (1962) | 81 (1961) | 80 (1960) | 79 (1959) | 78 (1958) | 77 (1957) | 76 (1956) | 75 (1955) | 74 (1954) | 73 (1953) | 72 (1952) | 71 (1951) | 70 (1950) | 69 (1949) | 68 (1948) | 67 (1947) | 66 (1945–1946) | 65 (1943–1944) | 64 (1941–1942) | 63 (1940) | 62 (1939) | 61 (1938) | 60 (1937) | 59 (1936) | 58 (1935) | 57 (1934) | 56 (1933) | 55 (1932) | 54 (1931) | 53 (1930) | 52 (1929) | 51 (1928) | 50 (1927) | 49 (1926) | 48 (1925) | 47 (1924) | 46 (1923) | 45 (1922) | 44 (1921) | 43 (1920) | 42 (1919) | 41 (1918) | 40 (1917) | 39 (1916) | 38 (1915) | 37 (1914) | 36 (1913) | 35 (1912) | 34 (1911) | 33 (1910) | 32 (1909) | 31 (1908) | 30 (1907) | 29 (1906) | 28 (1905) | 27 (1904) | 26 (1903) | 25 (1902) | 24 (1901) | 23 (1900) | 22 (1899) | 21 (1898) | 20 (1897) | 19 (1896) | 18 (1895) | 17 (1894) | 16 (1893) | 15 (1892) | 14 (1891) | 13 (1890) | 12 (1889) | 11 (1888) | 10 (1887) | 9 (1886) | 8 (1885) | 7 (1884) | 6 (1883) | 5 (1882) | 4 (1881) | 3 (May 1879–December 1880) | 3 (May 1878–April 1879) | 1 (April 1877–April 1878)

Back issues: paper

Some back issues are available in the form of the original printed copies; please e-mail Dr. David Stickland at david.stickland1 AT ntlworld.com to check availability and pricing, including the possibility of a discount for bulk orders of back issues.

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