Before humans ever appeared and not long after the dinosaurs went extinct, a new giant rose to the top of the food chain. It didn’t fly or roar– it slithered, and it did so with incredible strength.

Beneath the surface of a Colombian coal mine, scientists made a discovery so extraordinary that it rewrote what we know about giant reptiles. In 2009, researchers unearthed fossil remains of an ...

— -- A snake stretching longer than a school bus and too thick to fit through a doorway may sound like a creature in a Hollywood bio-horror flick, but this one actually ruled the roost on part of ...

As a part of their documentary, the Smithsonian Channel asked sculptor Kevin Hockley to create a full-size replica of Titanoboa. Robert Clark/Institute Titanoboa, pictured with a dyrosaur and a turtle ...