Denisovans and Neanderthals Interbred in a Giant Cave
New findings shed light on how humans' ancestors interbred, but the Denisovans remain quite mysterious.
Exploring Mexico’s Otherworldly Cave of Crystals
The Cave of Crystals is a massive cavern, filled with gigantic gypsum crystals, larger than any crystals ever before seen on Earth.
Neanderthals Were Smarter Than You Think
Neanderthals, suggest recent studies, had complex societies and even some culture.