Humans live in a world abundant in salt, but this everyday seasoning is a luxury for wild herbivores, and it's far from clear how these animals get enough. Subscribe to our newsletter for the latest ...

The blue whale is Earth’s largest animal, reaching up to 100 feet and weighing nearly 200 tons. These marine giants sustain themselves on krill and consume up to four tons daily. Despite their massive ...

Long before humans walked the planet, a massive creature ruled the forests and open plains of ancient Eurasia. Paraceratherium, a hornless giant and a distant relative of today’s rhinoceroses, lived ...

​From skies filled with battalions of bats, oceans filled with feeding frenzies, to grasslands alive with herds in motion, ...

Some nights, when I should be doing something sensible or useful, I end up looking at pictures of blue whales and feeling very, very tiny. We talk a lot about the megafauna that are gone – mammoths, ...