Nature reported on July 29, 2026, that earthworks spotted in the Amazon hint at a huge ancient civilization.
The report appeared in the peer-reviewed journal under the digital object identifier 10.1038/d41586-026-02367-x. Peer review confirms the material underwent independent evaluation prior to publication.
Nature did not state the estimated age or population size of the ancient civilization, nor did the publication disclose the precise geographical coordinates of the spotted earthworks.
