Stretching along the Brazilian coastline, the Atlantic Forest is home to hundreds of species of birds, amphibians, reptiles, ...

A major new study has examined the prevalence of same-sex behavior in primates. It appeared Monday in Nature Ecology and ...

JAKARTA – A skullcap, molar and femur believed to be remains of Homo erectus, or “Java Man,” unearthed by Dutch geologist ...

Learn about the most complete Homo habilis fossil ever found, and how this fossil is changing what we know about human ...

The ability of the early toolmakers to select high-quality stone, produce sharp flakes, and return to familiar raw-material ...

The difference in the scope of their crisis focus represents the most evident divergence in their thinking. Hawking's ...

The International Space Station (ISS) is a closed ecosystem, and the biology inside it — including its microbial residents — ...

A new study posits that same-sex sexual behavior developed to help primates in complex social groups ease tension, reduce ...

Songbirds on the UCLA campus changed beak shapes during the pandemic, according to a new study. Researchers suspect it might be a case of rapid evolution.

Homosexual behavior in primates has a deep evolutionary basis and is more likely to occur in species that live in harsh ...

A new study by researchers at Imperial College London and published on Monday in Nature Ecology & Evolution could help shed ...

The legendary “Little Foot” fossil may be an entirely new human ancestor. An international team of scientists led by ...