JKAS started as a sole publication of the Korean Astronomical Society (KAS) in 1967. In the first years, the Journal was published once a year and papers were written in either English or Korean. Because the KAS itself was very small at that time, the number of papers was very small. As the community grew, the volume steadily increased. In 1986, the JKAS shifted to an English-only publication, as the KAS started a new publication called The Publication of the Korean Astronomical Society (PKAS) which published articles written in either English or Korean. The frequency of publication was increased to twice a year in 1989, with the new design of the cover. The paper size of the journal has also changed from B5 to A4.
The number of papers in JKAS increased steadily, and reached its local maximum in 1997, thanks to the increasing size of the community as well as improvement of research environment in general. However, after 1997 the number of JKAS papers has decreased, while the number of papers published in internationally recognized journals such as Astrophysical Journal, Astronomical Journal, Monthly Notices of Royal Astronomical Society, and Astronomy & Astrophysics by members of the KAS has been increasing very rapidly. JKAS is trying to raise its reputation again by internationalizing itself and by giving better service to authors.