The clawed creature — named for its elongated forehead and flat skulls — was even labeled “possibly extinct” within Thailand, ...

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 ...

A tiny fish long feared lost has resurfaced in Bolivia, offering a rare conservation success story amid widespread habitat destruction. Moema claudiae, a seasonal killifish unseen for more than 20 ...

A small study reveals that cats greet male owners more vocally than female ones. But the findings could be a result of cultural norms among the participants, rather than a universal cat behavior, ...

Of the more than 600 million cats across the globe, less than 10% belong to a specific breed. But are these purebred cats the result of human intervention, or did some develop naturally? The answer is ...

Contributors -- Preface -- 1. Smilodon : a short history of becoming the iconic sabertooth / H. Gregory McDonald -- 2. The phylogenetic context of Smilodon / Lars Werdelin and Therese Flink -- 3.