Scotland's Mysterious Petroglyphs Are About to Become Visible Again

Created by people living 5,000 years ago in Scotland, the Cochno Stone is a beautiful example of ancient European "cup and ring" carving. These are created by making grooves and indentations in the rock, creating vast, swirling patterns that may have guided rivulets of liquid during ceremonies. » 7/18/14 4:02pm 7/18/14 4:02pm

North America's First Foragers Hunted These Elephant-like Creatures

A recent archeological dig in Mexico shows that gomphotheres — an extinct elephant-like animal believed to have disappeared from North America long before humans got there — actually roamed the continent longer than previously thought. Incredibly, the new evidence suggests these large mammals were hunted by the Clovis… » 7/14/14 12:48pm 7/14/14 12:48pm

The Most Popular Sport in North America 900 Years Ago

Beneath the freeways of East St. Louis in Illinois there lie the ruins of a city built nearly a millennium ago, around towering earthen pyramids. Today called Cahokia, it held as many as 40 thousand people, and their influence spread throughout the southeast U.S. — mostly due the popularity of a game called chunkey. » 7/14/14 11:18am 7/14/14 11:18am

How Did This Ancient Civilization Avoid War for 2,000 Years?

The Harappan civilization dominated the Indus River valley beginning about five thousand years ago, many of its massive cities sprawling at the edges of rivers that still flow through Pakistan and India today. But its culture remains a mystery. Why did it leave behind no representations of great leaders, nor of… » 6/24/14 5:22pm 6/24/14 5:22pm

7 Signs That Humans Are Domestic Animals

Tens of thousands of years ago, humans were wild animals. Our ancestors roamed the land in search of food by day, and huddled together for safety by night. But then something changed. We domesticated ourselves, and this process didn't just change us profoundly — it changed a lot of other life forms around us, too. » 6/05/14 10:00am 6/05/14 10:00am

Beringia, the Lost Territory Where Americans Evolved

During the last ice age, an enormous stretch of fertile grassland connected Eurasia and the Americas. Known today as Beringia, this lost landscape was home to a small but important population of humans. Now, the discovery of one skull in an underwater cave tells an intriguing story about what happened to the… » 5/16/14 2:56pm 5/16/14 2:56pm