A submerged, 39-foot-long (12 m) monolith has been discovered in the waters off the coast of Sicily at a depth of about 130 feet (40 m). Underwater composite photographs taken from divers, showing the discovered monolith and some details. Top: full lateral view. Bottom: full view from above. Image credit: Emanuele Lodolo / Zvi Ben-Avraham. The man-made monolith is at least 9,350 years old. It weighs about 15 tons and is broken into two parts. It has...