Chemical analysis suggests the 400-million-year-old fossil Prototaxites was neither plant, animal or fungus – hinting at a ...

Ten years ago, nobody knew that Asgard archaea even existed. In 2015, however, researchers examining deep-sea sediments ...

From two weeks onwards, feather development in the embryos partially returned to normal. The chicks with the altered pathway ...

Feathers are complex skin structures, and their evolutionary beginnings are still a subject of scientific debate. Scientific ...