More than 99% of all species that have ever lived are now extinct - and today, many scientists believe we are driving a sixth mass extinction. From the baiji dolphin of China’s Yangtze River to the ...

Lazarus taxa, where a species is declared extinct but later learned to be alive and kicking, is the reason people think the ...

Once common across the grasslands west of Melbourne, the Victorian grassland earless dragon was thought to be extinct for 54 ...

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 ...

Two marsupial species thought long extinct, until now known only from fossils, were found alive in New Guinea through a collaboration of scientists, indigenous communities and citizen scientists.

Most of us are familiar with sloths, the bear-like animals that hang from trees, live life in the slow lane, take a month to digest a meal and poop just once a week. Their closest living relatives are ...

If there are two things you picture when you hear the word “kangaroo,” chances are it’s either a mama with a joey in her pouch or their propensity to hop across the Outback. It’s daunting enough that ...

Colossal Biosciences made a record-breaking 20 edits across 14 genes in gray wolf cells by adding extinct dire wolf DNA. This was the first time ancient DNA has been used to bioengineer an extinct ...