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 ...

Across the globe, thousands of species face the threat of extinction due to habitat loss, poaching, pollution, and climate ...

While conservation efforts have bolstered the populations of many species considered to be threatened in 2025, many animal and plant species continue to dwindle in number, with some even going extinct ...

Few people know that the Zebra had a close relative, native to South Africa, that went extinct in the late 1800s. Here’s its story. Countless species have come and gone in the short history of life on ...

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 ...

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 ...

(Gary Braasch / Corbis) When Polynesians arrived at the uninhabited Hawaiian Islands thousands of years ago, they found an array of colorful tree snails, each less than an inch in length, across the ...

For the first time, Colossal BioSciences unveiled its Dallas labs where it is spending millions of dollars researching how to ...

The critically endangered North Atlantic right whale is on the right track. After teetering on the brink of extinction for over a century, this giant marine mammal (Eubalaena glacialis) is finally ...

The endangered animal easy was spotted numerous times at Princess Sirindhorn Wildlife Sanctuary in southern Thailand Kelli Bender is the Pets Editor at PEOPLE. She has been working at PEOPLE since ...