Millions of years ago, colossal crocodiles dominated prehistoric ecosystems. Sarcosuchus, or "SuperCroc," reached 39 feet, preying on dinosaurs in Africa and South America. Purussaurus, a giant caiman ...

The islands and atolls of the western Indian Ocean once teemed with giant tortoises that weighed as much as 600 pounds and ...

As the lush forests gave way to open grasslands, this giant ape was driven to the brink and ultimately went extinct. Never has there been a primate as big as Gigantopithecus blacki. Adults of this ...

The giant ape — an herbivore with a fondness for fruit — appeared in modern-day China about 2 million years ago. But, several hundred thousand years ago, it mysteriously went extinct ...

The giant apes didn’t vanish quickly, but likely went extinct sometime between 215,000 and 295,000 years ago, the researchers found. While smaller apes may have been able to climb trees to ...

The giant apes didn’t vanish quickly, but likely went extinct sometime between 215,000 and 295,000 years ago, the researchers found. While smaller apes may have been able to climb trees to ...