An unexpected haul of nearly 500 fossilized fish in Egypt provides an unprecedented picture of how sea life rebounded from ...

Bryozoans are tiny, filter-feeding colonial invertebrates that thrive in the world's oceans today, yet for decades their ...

A fossil mammal tooth smaller than a grain of rice does not announce itself loudly. It must be hard won from sediment and ...

The team designed a robot to test their results and found that the most efficient movement closely matched those of fish that ...

Anthropologist and author David Samson examines how the story of human sleep unfolded in his new book, “The Sleepless Ape.” ...

From spherical boulders and circular radio telescope dishes to the curve of our blue marble, distant Mars, and far-away spiral galaxies, the universe comes back to circles.

Numbers on the connecting lines represent the number of allelic differences, with pairwise missing loci ignored. Sequence types (STs) and clonal complex (CC) assignments were determined using the ...

Over the past 10,000 years, natural selection has contributed to the evolution of nearly 500 genes in the DNA of West Eurasians, affecting their looks and susceptibility to different illnesses, a new ...

WASHINGTON (AP) — Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures ...

Even Charles Darwin was puzzled by the evolution of the vertebrate eye. New research suggests that it traces back to a cyclopean invertebrate with a single eye atop the head. By Carl Zimmer Look at ...

This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from new developments in ape cognition to an expanded perspective of a ...