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 ...

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

The word "dodo" is synonymous with extinct animals. In fact, if you asked people to name an extinct animal who wasn't a dinosaur or woolly mammoth, dodo bird would probably be the most popular ...

The late 1900s were a time of rapid change for our planet, and unfortunately, some of its most unique inhabitants did not survive. Between the 1980s and 1990s, several animal species disappeared ...

How do you save a species on the brink of extinction? According to the International Union for Conservation of Nature (IUCN), ...

The ivory-billed woodpecker, along with 22 other species of birds, fish, mussels and other wildlife, is set to be declared extinct and removed from the endangered species list, US wildlife officials ...

Two tiny animals believed to have been extinct thousands of years ago have been rediscovered alive in the remote forests of Indonesia.

A stunning butterfly classed as extinct for 30 years has been spotted across parts of England. The Large Tortoiseshell has ...