Several cultures portray the world as being carried on the back of a giant turtle. As it turns out, sea turtles really do house an entire world on their backs — one of microscopic organisms, that is!

This mouth structure wasn’t an evolutionary relic, however. It was actually a specialized feature that allowed them to thrive. It now appears Dunkleosteus boasted a head and jaw more reminiscent of a ...

Early one morning in March 2010, Captain Gary Jarvis cast a heavyweight line into the Gulf of Mexico from the deck of his 57 foot charter boat, Backdown 2. The sun hadn’t yet risen. But bright white ...

Proposed changes include allowing the government to consider the economic impact before deciding whether a species should be considered endangered.

Nicknamed "Molly," the turtle beat all odds and survived the hourslong surgery and months of recovery after the tumor ...