A long-held explanation for the spectacular diversity of fishes turns out to be wrong.
Viviane Callier, Contributor
The process of evolution helped shape jellyfish to move through the water using almost no energy.
Karin Heineman, ISTV Executive Producer
Clues hidden in leaf fossils reveal shift to vegetation that smolders rather than flares.
Emily DeMarco, Staff Writer
Large brains used to be an advantage, then humans happened.
Charles Q. Choi, Contributor
In whales -- and in humans -- older females seem to offer a special benefit to groups.
Katharine Gammon, Contributor
Sex differences in human travel behavior may have evolutionary roots.
Nala Rogers, Contributor
Humans may have evolved a visual spider “template” to warn us of danger.
Study reveals how in distantly related species, smaller birds can win battles with larger ones.
Evolution of Galápagos feather lice tracks hawk hosts through space and time.
Patricia Waldron, Contributor
Inside Science is an editorially independent news service of the American Institute of Physics