MILAN—Archaeologists discovered the remains of nine Neanderthals at a prehistoric site near Rome, Italy’s Culture ministry said on Saturday. Eight of the remains are dated between 50,000 and 68,000 years ago, while one, the oldest, is dated to between 90,000 and 100,000 years ago, the ministry said in a statement. The find occurred in Grotta Guattari, prehistoric caves discovered more than 80 years ago, located around 100 meters (328 feet) from the coast of Tyrrhenian Sea in San Felice Circeo, near Latina, in the Lazio region. Video footage from the ministry showed bones, craniums, and other body parts found at the site. Neanderthals died out about 40,000 years ago. It is unclear what killed them off. Taking into account other remains found previously at the same site, there are in total 11 individuals present in Grotta Guattari, which is “confirmed as one of the most significant places in the world …