The mystery behind why Alaskan horses, cryptodiran turtles and island lizards shrunk over time may have been solved in a new study. The new theoretical research proposes that animal size over time ...

A new study theorizes that evolution ticks at different speeds, especially when a big group of organisms first appears.

Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy straightforward explanation. From the jut of the human chin to the curve of the outer ...

Nobody likes to wait, and we are willing to pay to avoid it. Expedited shipping, fast food and video streaming are all profitable because they reduce or eliminate that wait. You can test this by ...

A review examines the prevailing theory of cancer evolution. The authors highlight both practical and theoretical limitations of the clonal model of cancer evolution and propose areas for improving ...