Indeed, Hoyo Negro is proving to be one of the most important fossil sites in the world, offering a stunning window into an ancient and untamed past.

A biotech company made history with the birth of three genetically engineered wolves: What we know about these prehistoric ...

More than 75 cities in 30 countries in North, Central, and South America and the Caribbean are connected by Copa Airlines. (Photo via iStock / Getty Images Plus/anouchka). South America is a nature ...