Watch as we explore shark species that dominate the ocean’s depths, growing to massive sizes and ranking among the largest ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. When we think about the scope of our world’s diversity, ...

Whales are a group of mammals that live in oceans. They include some of the largest animals on Earth. The blue whale is the biggest animal that has ever existed. Whales can be found in every ocean, ...

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, ...

Sperm whales are named after the waxy substance found in their large heads called spermaceti. The spermaceti is an oil sac ...

The mention of giant underwater creatures usually brings to mind mythological monsters. The great kraken, ancient leviathans, and if that fossil of a creature with 45 arms is a real-life Cthulhu. As a ...