After four cases of bird flu in Maryland, legislators want to know the state's risk and what's being done to keep Marylanders ...

People lived in many parts of the Old World by then but had not yet reached Australia or the Americas. The bulk of the human ...

Researchers say they have identified a new species of ancient hominin, Homo juluensis, that could help solve another big ...

A new study reveals how mathematical models can explain the formation and evolution of human societies and kinship systems.

Men have grown taller and heavier at more than twice the rate of women, according to the study, published Wednesday in the ...

China's low birth rate and aging population are ending any hopes Beijing had of overtaking the U.S. as an economic giant.

Efforts to protect endangered species contribute to disasters like the Los Angeles wildfires.