The blue whale is the largest animal ever. Discover the top 10 largest animals on Earth, including the African elephant, whale shark, and colossal squid.

Survival of the fittest is how many of Earth’s animal species have endured. Today’s video from A-Z-Animals takes a closer ...

Even today’s giants — towering giraffes and massive elephants — are tiny compared to the prehistoric titans that once dominated the planet. Long before humans showed up, Earth was home to creatures so ...

The ocean quahog is a pretty unremarkable-looking clam, reaching around 5 centimeters (2 inches) in size, and yet it can take ...