In April of 2025, headlines across the world announced that the dire wolf had been brought back from extinction. This 130-150 lbs wolf species, about 25% heavier than modern-day gray wolves, had not ...

A biotech company says CRISPR could revive extinct animals like the dodo and mammoth - but many scientists remain skeptical.

So many humans live on Earth, it’s hard to imagine there are animals we haven’t seen for years, decades, or even millions of ...

In paleontology, lineages that drop out of the fossil record and then re-emerge after long periods are termed ‘Lazarus taxa.’ ...

For thousands of years, scientists knew of two tiny marsupials in New Guinea only through fossils and local legend. Researchers had long considered these species extinct. However, a team recently ...

Should we bring back extinct animals? Wrong question. Why are we bringing back extinct animals when we have animals, plants, and fungi that are going extinct now, daily? By 2050, up to half of all ...

Two marsupial species thought long extinct, until now known only from fossils, were found alive in New Guinea through a ...

Thheiba and Fidda were among the zoo’s last Barbary lionesses and played a key role in conservation. The sisters lived side-by-side their entire lives and helped support a lion subspecies now extinct ...

The pygmy possum has a stripe down its back and an unusually long fourth finger, twice as long as the rest of its digits, that it uses to extract insect larvae that bores down into wood. It was last ...

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 ...