A research team has created a comprehensive evolutionary tree of all bird species, integrating data from hundreds of studies ...

the billions of years that have passed since the fusion of an archaea and a bacteria have resulted in a lack of evolutionary intermediates in the phylogenetic tree until the emergence of the ...

SARS-CoV-2 is just one strain of a group of respiratory viruses, known as sarbecoviruses, that are mainly hosted by horseshoe ...

A team of engineers at the University of California San Diego is making it easier for researchers from a broad range of ...

While the endosymbiotic theory is widely accepted, the billions of years that have passed since the fusion of an Archaea and a Bacteria have resulted in a lack of evolutionary intermediates in the ...

Imagine a creature so strange, so utterly unlike anything alive today, that even the world’s top scientists had no idea which ...

Evolution has fostered many reproductive strategies across the spectrum of life. From dandelions to giraffes, nature finds a ...

In the Southeastern U.S., where I live, you know it’s spring when your car has turned yellow and pollen blankets your patio ...

While rare, a few birds we studied were rule-breakers. One such rule-breaker is the Eurasian spoonbill, whose highly ...

Colossal Biosciences, an American biotechnology company, announced the "de-extinction" of the dire wolf, a prehistoric wolf ...

Feathers first appeared in dinosaurs, perhaps as simple filaments ... The chicken is just one branch on this vast evolutionary tree, but its story is among the most compelling.