The evolution of multicellularity represents one of the most consequential transitions in the history of life. This process, in which individual cells coalesce to form integrated and functionally ...

In five cases where vertebrates evolved monogamy, the same changes in gene expression occurred each time. In many non-monogamous species, females provide all or most of the offspring care. In ...

Humans were living in rainforests roughly 150,000 years ago, some 80,000 years earlier than was previously thought—and may have been an important center for early human evolution. This is the ...

Turtles (Testudines) have captivated evolutionary biologists for decades due to their distinct morphology and ancient origins. Recent studies have elucidated the evolutionary transformations that led ...

A new study outlines the ways by which city life may be shaping the evolution of urban coyotes, the highly adaptable carnivores spotted in alleyways from Berkeley, Calif., to the Bronx, in New York. A ...

Spicomellus afer, a newly analyzed Jurassic ankylosaur from Morocco, is overturning scientists’ understanding of dinosaur evolution. Unlike any other known creature, it carried a collar of meter-long ...

The vaginal microbiome, a complex ecosystem inhabited by diverse microbial communities, plays a pivotal role in maintaining reproductive health and protecting against infections. Recent advancements ...