A fossil discovery suggests that suckling emerged in a common ancestor of modern mammals that lived in the Jurassic period.

Human and chimpanzee genomes are more than 98% identical, and the genes themselves barely differ. The changes that make us human are thought to hide instead in the DNA that controls when and where ...

The musculoskeletal system is an organ system comprising the bones, muscles and connective tissues (including cartilage, tendons and ligaments) that bind tissues and organs together. The main ...

A 245-million-year-old marine reptile fossil preserves an astonishing amount of detail, including its stomach, liver, and ...