Biologists are closing in on a puzzle that seems to turn classic evolutionary logic inside out, yet may be so common that it ...

While developing his theory of natural selection, Charles Darwin was horrified by a group of wasps that lay their eggs within the bodies of caterpillars, with the larvae eating their hosts alive from ...

Measuring the pace of evolution is tricky, but some species can evolve as quickly as a few generations. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...