Ant genomics help reshape biological history of the Americas

Scientists have long believed that the Isthmus of Panama emerged from the ocean three million years ago, triggering a massive interchange of species between the Americas in its wake. However, recent conflict in both geological ...

Peccaries of Mesoamerica now highly threatened, warn experts

Hunting, deforestation, and cattle ranching in Mesoamerica have become a triad of trouble for the white-lipped peccary (Tayassu pecari), an ecologically important species now threatened with regional extinction, according ...

Mexico's efforts to secure southern border falling short

Mexico launched the Comprehensive Plan for the Southern Border (CPSB) in 2014 in an attempt to manage increased migration flows from Central America. But two years after the plan's implementation, it has yet to accomplish ...

Multiple cosmic impacts 790,000 years ago

Approximately 790,000 years ago, there were multiple cosmic impacts on earth with global consequences. Geoscientists from Heidelberg University reached this conclusion after dating so-called tektites from various parts of ...

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