In the past, many scientists believed that only mammals and birds could feel or think in complex ways. Reptiles, fish, and insects were seen as simple creatures that reacted purely on instinct. But ...

If you're wondering whether birds are reptiles, know this: The reptile family tree is more varied and diverse than you might realize. When you purchase through links on our site, we may earn an ...

Researchers compiled a database showing the number of lost species is increasing faster than rediscovered species: since 1800, more than 800 amphibian, bird, mammal and reptile species have not seen ...

The scientists analyzed nearly 71,000 wild animal species — from corals to reptiles, insects to mammals — assessed by the IUCN Red List and categorized them according to climate-related threats they ...

Gison Morib was lying in bed, sick from exhaustion after a month-long jungle expedition, when his phone buzzed, revealing a black-and-white photograph of a long-nosed, fuzzy animal. Morib ran outside, ...