Butterflies closer to the equator have been shown to evolve shared wing patterns faster than their relatives at higher latitudes. That gradient reframes tropical diversity as an active process, shaped ...

In the early 1990s, Keith Willmott and a friend, both undergraduate students from the United Kingdom, arrived in Ecuador with ...

A University of Melbourne researcher has spotted a rare evolutionary phenomenon happening rapidly in real time in bats living in the Solomon Islands. Dr Tyrone Lavery reports in a paper published in ...

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 ...

ch. 1. Ode to Cecropia: discovering nature -- ch. 2. Teasing the strands apart -- ch. 3. Time, energy, and biological evolution -- ch. 4. Evolution of the earth -- ch ...

Bears look like textbook mammals, but hidden in their evolutionary history are two dramatic departures from the standard blueprint of growth and adaptation. For the first time, scientists have ...