Just because a species is presumed extinct doesn’t mean it’s gone forever. Here are four glowing examples of this unique, and felicitous, phenomenon. Not all species that have been classified as ...

Scientists have analyzed ancient DNA and compared more than 400 fossils from 17 natural history museums to figure out how and why extinct sloths got so big. Most of us are familiar sloths, the ...

Animal populations have fallen by 73% in some species over the past 50 years. Are we on a fast track to widespread species ...

Curitiba, Brazil used to be forests, wetlands, fields and streams before it was developed over the last half-century. Gilberto Jacob via Unsplash As new species are discovered around the world, others ...

An extinct relative of modern-day deer, these elk were one of the largest to ever exist. Their most distinctive feature is their antlers, which when measured from tip to tip, can be over 12 feet long!

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. You might be surprised to know that Mexico is home to over ...

The desert rat-kangaroo — a small marsupial species — was declared extinct in 1994. But, scientists believe it could be alive and “evading detection,” according to a new study. Photo from Flinders ...

Over a million species of animals and plants are now hanging by a thread, more than ever before in human history, says the International Science-Policy Platform on Biodiversity and Ecosystem Services ...