Mexican officials recently announced that the 2,700-year-old Olmec Cave Mask, also called a "portal to the underworld", will be returned to the ancient cave that it was stolen from.

Ancient 'Ritual Artifact' May Reveal Secrets of Deep Space. Published Dec 30, 2023 at 3:00 AM EST Updated Jan 05, 2024 at 11:11 AM EST. By . Aristos is a Newsweek science and health reporter with ...