Argentina’s geography is one of the most fascinating and perplexing in the world. From its icy southern glaciers to its vast, sun-scorched northern deserts, the country’s diverse landscapes defy logic ...

Across two new papers published Wednesday (July 23) in the journal Nature, scientists sequenced the DNA of 1,084 people ...

A University of Kansas researcher has spent years studying "aquaterra"—his term for regions around the world once populated ...

U.S. Rep. Vicente Gonzalez, a Texas Democrat who represents a slice of the Rio Grande Valley along the border with Mexico, ...