Hundreds of ‘free’ academic journals have started charging fees

According to a report by Nature… Nature, Published online: 22 September 2026; doi:10.1038/d41586-026-02818-5A study tracking diamond open-access journals has found an increase in titles switching to other publishing models — especially over the past few years. complete report is on link below: Source: https://www.nature.com/articles/d41586-026-02818-5