spanning an area roughly the size of Ireland? Why did this society, ancestors of The Mystery of Chaco Canyon is available to stream on pbs.org and the free PBS App, available on iPhone ...

The Gran Chaco was hit by a rise in deforestation in 2024, damaging the dry forest ecosystem that spans an area more than one and a half times the size of California across Argentina, Paraguay ...

You could walk along an ancient Chaco road and not know it. To a studied eye, there might be signs: a stripe of rocks here, a depression there. Some areas might have broken pieces of pottery sprinkled ...