A newly found super-Earth could help provide answers as to why there are hardly any planets twice the diameter of Earth.

The first time Alfredo Ovalle and Paula Susarte crossed paths, they never exchanged a word. But both left the encounter ...

A team of scientists found a human footprint that was more than 15,000 years old and challenged the timeline of human ...

Polo, tango, soccer, Evita, beef, gauchos, Buenos Aires and Iguazu Falls are some of what Argentina is known for.