In many primate species, males are much larger than their female counterparts, which is generally attributed to male ...

For most of human history, green eyes didn’t exist. Understanding why they do now means rethinking what we know about ...

Somewhere around 47,000 years ago, in mountain valleys and along migration corridors stretching from Iran to central Europe, ...

A dangerous 7-foot-long alligator was corralled on a busy Florida highway after quick-thinking from a Hillsborough County ...

Writer Maria Cassano argues that what's being labeled the male loneliness epidemic is just natural selection finally working ...

In front of us was a dinosaur skeleton the size of a large dog. It was obviously a dinosaur, as it had the reinforced pelvis, with extra connections between the backbone and hips, that all dinosaurs ...

Each month during a woman's menstrual cycle, an ovary prepares 10–20 antral follicles, fluid-filled sacs that hold immature eggs, for maturation. In most cycles, only one follicle is selected to ...

For birds, these sorts of disputes happen all the time, with territory owners engaging in song battles with neighbors. The songbirds aren’t just defending their garden. They’re defending their food ...

Tom has a master’s degree in biochemistry from the University of Oxford and his interests range from immunology and microscopy to the philosophy of science.View full profile Tom has a master’s degree ...

Some researchers hold that evolution hasn’t much altered humans in the past 10,000 years. A new analysis of ancient DNA indicates that natural selection continued to shape hundreds of genes. By Carl ...

A massive study of ancient DNA from nearly 16,000 people across more than 10,000 years in West Eurasia reveals that natural selection has shaped modern human genomes far more than previously thought.