Wrecked slaver ships in the Bahamas; burial cave in Spain with suggestion of Neanderthals; Ukraine tools dated to 1.4 million years ago; astrolabe from medieval Spain

14 wrecked ships in Bahamas may offer insight to life in the slave trade

7,000-year-old burial cave in Spain includes Neanderthal-era goat bones

Oldest stone tools in Europe hint strongly at east-to-west migration

Medieval Spanish astrolabe has both Islamic and Hebrew inscriptions