Millions of years ago, a predator like spinosaurus (shown in the background of this artist's illustration) ate the filter-feeding pterosaur Barikibu waridza, and then puked up its meal, which later ...

Throughout history, humanity has left behind enigmatic traces that continue to baffle researchers and challenge our ...

Add Yahoo as a preferred source to see more of our stories on Google. The world is filled with ancient unexplained mysteries that capture the imagination, challenging scientists, scholars, and ...

In the dark seas of the ancient world, few creatures were as interesting as the plesiosaur: a long-necked marine reptile with four large flippers. These fearsome predators dominated the oceans in the ...

Chaco Canyon, a UNESCO World Heritage Site in northwestern New Mexico, stands as one of the most enigmatic and astronomically rich ancient sites in North America. Despite the absence of a written ...

A new pterosaur species was recently discovered in the vomit of a dino. But that's just the start of revelations from prehistoric excretions. Millions of years ago, a predator like spinosaurus (shown ...