Ancient human remains from Sulawesi suggest people were habitually using the psychoactive betel nut as far back as 25,000 years ago. Researchers found both unusual tooth wear and traces of arecoline, ...

A newly discovered fossil from Mongolia reshapes how scientists understand early mammal evolution and ancient species ...

The Anthropocene became part of the zeitgeist after Nobel laureate Paul Crutzen launched the idea in 2000. This is the notion that a crescendo of human impacts has recently propelled Earth out of the ...

Consistent heel-to-toe steps are more unique to humans than previously thought and allowed early humans to walk farther more ...

A 324-million-year-old fossil suggests early insects lived between water and land as their bodies gradually changed over time ...

The ancestors of birds, the theropod dinosaurs, had powerful legs. They could definitely jump, and jumping could provide an important evolutionary advantage. Being able to get out of the way of a ...

Archaeologists have identified tiny 80,000-year-old projectile points in Uzbekistan that may have been used like arrowheads. Their size, design, and impact damage closely resemble weapons found much ...

New paleogenomics research reveals how the so-called American 'cheetah' adapted to harsh Arctic conditions by preying on fish ...

For a fossil described as a crustacean, it seemed to have an awful lot of insectlike traits, such as a body split into three ...