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 ...
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 ...
People often use sea ice, as seen here off Alaska’s northern coast outside the town of Utqiagvik, for travelling. (Photo by Ned Rozell) Human footprints preserved in mud at White Sands National ...