Archosaurs have a nearly 250 million year record that originated shortly after the Permian-Triassic extinction event and is continued today by two extant clades, the crocodylians and the avians. The ...

Newly discovered fossils, belonging to the mammal-precursor species Brasilodon quadrangularis and Riograndia guaibensis, offer critical insights into the development of the mammalian jaw and middle ...

For decades, the dominant theory in human evolution suggested that modern humans descended from a single ancestral lineage in Africa. However, groundbreaking new research from the University of ...

An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral nerve cord, a key component of the central nervous system, evolved in ecdysozoan ...

Early angiosperms represent a pivotal chapter in plant evolution, marked by rapid diversification and profound ecological impact during the Early Cretaceous. These flowering plants, distinguished by ...

Human evolution is a long and winding tale that goes back millions of years, but one aspect of our anatomy shaped up quickly compared to other mammals: our large brains and flat faces. As these ...

A new study explains how climbing down trees helped shape upright posture in early primates and changed the course of evolution.

A global team led by UMass Amherst identified dusty, star-forming galaxies nearly 13 billion years old, bridging gaps between early ultrabright and quiescent galaxies in the universe.

Scientists with the Field Museum of Chicago have discovered that a pigeon-sized Archaeopteryx fossil in its collection displays an array of features previously unknown when it comes to the earliest ...