Blue whales are not only big, but they are also considered the largest animals to have ever inhabited the planet. These ...

On land, one of the biggest is gravity itself ... And in this corner is the contender, a massive marine mammal that went extinct millions of years ago. Fossils of this ancient leviathan’s ...

Since the largest horse conchs living today are both ... sign that a tipping point is near,” says Herbert. Like other marine animals living near heavily populated coasts, horse conchs have ...