![Image](https://aas.org/sites/default/files/inline-images/AAS-Journals-Cards.png)
Under this change, all articles in the AAS journal portfolio will be immediately open for anyone to freely read. The transition will affect the:
Astronomical Journal (AJ) https://aj.aas.org/ ,
the Astrophysical Journal (ApJ) https://apj.aas.org/,
Astrophysical Journal Letters (ApJL) https://apjl.aas.org/, and
the Astrophysical Journal Supplement Series (ApJS) https://apjs.aas.org/ ;
the Planetary Science Journal https://psj.aas.org/ ,
the AAS’s newest journal published in partnership with its Division for Planetary Sciences, is already fully open access.