There are over 7 billion people living on the earth right now. Tens of millions are born and die each year. Every single one of us leaves signs of our existence in the air, water, soil -- even space.

"Everlasting geological signature." Scientists make grim prediction about humanity's legacy in the future: 'The first step to ...

“I think the key finding is that we are documenting for the first time a hominin population that we did not know we had in Europe.” Chris Stringer, a research leader in human evolution at London’s ...

Robert Zubrin, the planet’s leading strategist for landing humans on Mars, predicts SpaceX’s Starship will win the race to ...

Course topics analyze the nature of the earliest human communities, the development of the first civilizations and the subsequent emergence of cultures in selected areas of Eurasia, Africa, and the ...