The Incas built over 40 thousand km of roads at the top of the most impervious Andean mountains, despite an extremely harsh climate, landslides, earthquakes and construction metho ...

Endangered California condors, absent from the skies of far Northern California and the Pacific Northwest for roughly a century, are now breeding and expanding their range in the region’s ancient ...

New research suggests seabird guano helped transform the Chincha Kingdom into one of the most prosperous societies in ancient Peru. Chemical clues in centuries-old maize show farmers fertilized their ...

Tribal biologists in northern California say two critically endangered California condors could be tending an egg which would produce the region’s first fledgling in more than 100 years.

Generally, birds are known to be graceful, fast, and capable of soaring over the vast expanse of the sky. However, the most interesting and fascinating birds in the world are known to be large and not ...

According to wildlife officials, the condor couple may have laid an egg in early February, based on their activity tracked by GPS devices affixed to them.

Researchers observed the behavior of the condors to conclude that the couple may be tending to their newly laid egg.