A researcher claims to have found evidence of humans in Chesapeake Bay over 22,000 years ago. The assertion is yet another ...
These human ancestors lived during the Ice Age over 20,000 years ago. What do we know about them? The 'Solutreans' were an ancient people who lived in what is today Spain, Portugal and southern ...
The world is coping with the effects of a warming climate, but a few thousand years ago, Earth had the opposite problem. During the Pleistocene Epoch, often called the Ice Age, Earth was subject ...
During the past billion years, the Earth's climate has fluctuated between warm periods - sometimes even completely ice-free - and cold periods, when glaciers scoured the continents. The cold ...
Earth may have been exposed to interstellar clouds which may have changed the chemistry of the planet's atmosphere and led to the development of multiple ice ages, researchers suggest ...