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 years, but it keeps happening! Animals believed extinct that were found ...

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 ...

Long before modern cities and borders, early humans shared the planet with enormous and often dangerous animals. Woolly mammoths, giant ground sloths, saber-toothed cats, and massive cave bears roamed ...

Back in 1999, the BBC’s Walking with Dinosaurs series spawned a new format: wildlife “documentaries” featuring long-extinct animals. I’m a big fan of this genre, and Prehistoric Planet: Ice Age, made ...

Some species officially bid us farewell this year. They may have long been gone, but following more recent assessments, they’re now formally categorized as extinct on the IUCN Red List, considered the ...

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. The ...

This year, at least six animal and insect species moved to the Extinct category of the IUCN Red List of Threatened Species Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE ...

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 ...