Far below the surface of Mexico’s Yucatán Peninsula, a flooded labyrinth of limestone tunnels has quietly guarded one of the most haunting fossil troves of the Ice Age. In the darkness of a submerged ...

Humans only discovered Arne Ovamgrotta in 1991, but it was a haven for at least 46 species over 75,000 years ago. By Andrew Paul Published Aug 4, 2025 4:09 PM EDT Get the Popular Science daily ...

The last two decades have seen a revolution in scientists' ability to reconstruct the past. This has been made possible ...

Cave bears smash lion skulls, saber-cats starve in silence, and the ice begins to melt. Five episodes of jaw-dropping beauty later, the series leaves you staring at the brutal question about climate ...