Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.

Brain freeze — the sharp, seconds-long headache we get from ingesting something cold — is rooted in the way our brain senses ...

Group Selection Was Debated For Decades. A New Review Says The Empirical Case Is Far Stronger Than Critics Claimed. In A Nutshell A new review of nearly 3,000 scientific papers found 280 studies ...

Add Yahoo as a preferred source to see more of our stories on Google. The Sun's distance from Earth allows it to be habitable for life. DrPixel/Moment via Getty Images A popular model of evolution ...

WASHINGTON (Reuters) -Bipedal locomotion - walking upright on two legs - is a fundamental trait underpinning humankind's success. Scientists now have identified two innovations that occurred long ago ...

Evolutionary biologists study the changes that occur in plants, animals, and microbes over time and within current populations. When addressing a virus outbreak (like COVID-19), scientists in this ...

In honor of Darwin Day Feb. 12, CU Boulder evolutionary biologist Daniel Medeiros explains what we get right and wrong about Darwinism For evolutionary biologists, the big day is imminent. No, not ...

The Howard Hughes Medical Institute has named Grant King, PhD, a Hanna H. Gray Fellow — investing up to $1.5 million for up to eight years to help King achieve his goal of running his own lab. He is ...

KWONG: Oh. OK, so you found out in your research - by tracing the phylogenetic tree of kissing through primates, you found out that kissing was likely present in the ancestor of all apes who lived 21 ...

But even when dads stick around, it’s not always smooth sailing. Fatherhood can range from attentive and caring to downright violent behaviors—but why this spectrum exists remains largely a mystery to ...