(Volodymyr Yakimchuk/Creatas Video+/Getty Images Plus) A seismic shift in the selection pressures acting on humans may have ...

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have evolved testicles of all different sizes. In almost all these separate cases, ...

Human evolution has often been depicted as a process of adaptation, where natural selection and genetic changes drive species toward better-suited traits for survival in their environments. But this ...

Skull from Hubei Province is about a million years old Researchers conducted digital reconstruction on skull Study has implications for Homo sapiens lineage timeline Sept 25 (Reuters) - In 1990, an ...

"Consciousness," although challenging to define, can be thought of as a first-person awareness of one's surroundings and oneself. You sense the world through your eyes, nose, ears and hands, and track ...

A digital reconstruction of a million-year-old skull suggests humans may have diverged from our ancient ancestors 400,000 years earlier than thought and in Asia, not Africa, a study found. The ...

He lived hundreds of thousands of years ago, eking out an existence in what is today central China. Sporting a squat neck and a big brain, he likely wielded tools made of stone and hunted or scavenged ...

The human body is a machine whose many parts – from the microscopic details of our cells to our limbs, eyes, liver and brain – have been assembled in fits and starts over the four billion years of our ...

WASHINGTON — A new report from the National Academies of Sciences, Engineering, and Medicine identifies the highest priority science objectives for the first human mission to Mars, and says searching ...

(Reuters) -In 1990, an ancient human skull was unearthed in China's Hubei Province that was so badly deformed during fossilization that it was hard to gauge its significance. A new analysis now ...