A study of 225 newborns suggests prenatal estrogen may have played a role in the evolution of larger human brains. Boys with ...

Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life. Imagine a hot, watery mix of ...

Scientists say some of the traits that define modern humans may have evolved only after long-standing biological and cultural ...

The uvula is nearly unique to humans among mammals. An evolutionary biologist unpacks competing theories for why we evolved ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The story of how us humans—and other mammals—got our noses may have ...

For nearly 30 years, a landmark study shaped how scientists understood the relationship between brain and body size in ...

Saliva is a bodily fluid most of us take for granted despite the significant roles it plays: aiding in digestion, maintaining strong teeth and defending against oral disease. However, the evolution of ...

The pelvis is often called the keystone of upright locomotion. More than any other part of our lower body, it has been radically altered over millions of years to allow us to accomplish our bizarre ...

A new paper in Molecular Biology and Evolution, published by Oxford University Press, finds that the relatively high rate of Autism-spectrum disorders in humans is likely due to how humans evolved in ...

What will humans be like generations from now in a world transformed by artificial intelligence (AI)? Plenty of thinkers have applied themselves to questions like this, considering how AI will alter ...