Eons
The Mystery of the Eocene’s Lethal Lake
In the 1800s, miners found beautifully preserved fossils of animals from the Eocene.
In the 1800s, miners found beautifully preserved fossils of animals from the Eocene.
420 million years ago, some fish wore armor – and it may have served a surprising purpose.
How did this giant marine reptile end up high in the Andes Mountains?
What if the rock art drawings of strange animals really existed?