A researcher claims to have found evidence of humans in Chesapeake Bay over 22,000 years ago. The assertion is yet another ...
Darrin Lowery found a collection of tools in Maryland that may date to 22,000 years ago. That would mean humans first arrived in North America thousands of years before we thought. Most experts ...
Two million years ago, an encounter with a cold cloud of gas and dust could have caused our planet's "protective giant bubble ...
Earth’s weather changes based on where it is in its annual cycle around the Sun – but is it possible the climate can also be ...
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 ...