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, ...

Our beloved planet has seen giants that dwarf most animals alive today. These massive creatures lived across different time periods and belonged to all kinds of environments, including deep oceans and ...

Have you ever wondered what the biggest land animal in history looked like, or which creature ruled the oceans as the largest of them all? Prehistoric giants often come to mind, but the story goes ...

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, ...

Add Yahoo as a preferred source to see more of our stories on Google. Read on to discover the 12-inch-thick throat muscles and a 90-second gulp that power its baleen-filter feeding. The biggest whale ...

Ancient sloths lived in trees, on mountains, in deserts, in boreal forests and on open savannas. Some grew as large as elephants. Illustration by Diego Barletta The largest sloth of all time was the ...

Twice a year, thousands of elk, mule deer and pronghorn migrate between their seasonal ranges in Colorado. They spend their winters grazing at lower elevations and their summers in the mountains. As ...

When deep-sea researchers sent their underwater robot more than one mile deep in waters off Hawaiʻi, they were surprised to ...

An African safari may be out of the question for most San Diegans, but a new experience at the San Diego Zoo Safari Park may be the next best way to get up close with one of Earth's biggest creatures.