In 2025, the world marked another sad milestone in the ongoing loss of biodiversity: multiple species long missing from their ...

The millions of species humans share the world with are valuable in their own right. When one species is lost, it has a ...

The Christmas Island shrew, a species of cone snail (Conus lugubris), the slender-billed curlew, and three Australian mammals ...

The tragic news of the loss of the world's last remaining northern white rhino begs the question: Can it be brought back?

An elusive wild cat long feared extinct in Thailand has been rediscovered three decades after the last recorded sighting, conservation authorities and an NGO said Friday.

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 ...

Woolly mammoths haven't been seen for 4,000 years, but if scientists are successful, they could be walking around Alaska in just five years. Colossal Biosciences researchers in Texas who study ancient ...

A new “Jurassic Park” movie is coming out next year, the latest installment of the blockbuster series all about the dangerous hubris in trying to bring dinosaurs back from extinction. Paleogeneticist ...

A bumpy snailfish, Andean mouse opossum and ancient sea cow were just some of the many species described in 2025.

In a promising discovery, authorities have spotted the critically endangered flat-headed cat in Thailand for the first time ...