The Cornell Lab of Ornithology today announced the release of a new online tool for studying biodiversity and the ...

Something had to diverge from the trunk eventually.

Birds are the most diverse land vertebrate on the planet, and now scientists have constructed a complete evolutionary tree of the 11,000 or so known species. This data came from hundreds of studies ...

The study found that bird species who nest in tree cavities have independently evolved heightened aggression across lineages, particularly in females. Scientists have long wondered whether evolution ...

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 ...

A peculiar 37-million-year-old snake fossil, Paradoxophidion richardoweni, unearthed in England, is rewriting evolutionary ...

Small clusters of pits in tooth enamel may be traced back to a single evolutionary lineage millions of years ago. When you purchase through links on our site, we may earn an affiliate commission. Here ...