Millions of years before humans existed, insects cultivated fungus that could not survive in the wild.
New findings suggest current oxygen-producing bacteria borrowed the ability from a possibly extinct lifeform.
Pesticide-treated bed nets trigger rapid evolution and resistance in one common species of sub-Saharan African mosquito, new study finds.
Males have better spatial skills, but stubbornness holds them back on a simple task.
A long-held explanation for the spectacular diversity of fishes turns out to be wrong.
Clues hidden in leaf fossils reveal shift to vegetation that smolders rather than flares.