A recent study suggests that ancient humans in North America may have ... indicate that the marks were likely created by a travois – a simple sled-like device made of wooden poles dragged ...

Archaeologists have found signs of an ancient transport system in White Sands National Park, New Mexico, dating back 22,000 ...

The earliest known North Americans used wooden "vehicles" to transport goods, and possibly even people, more than 20,000 years ago, a new study suggests. Researchers discovered sled-like drag ...