On the first day of this year’s United Nations climate summit, Brazilian President Luiz Inácio Lula da Silva promised ...
Traces of a previously unknown group of people, genetically distinct from their neighbors, have persisted for at least 8,000 years in the central Southern Cone of South America, and Argentina in ...
More than 80 nations called for a road map for the world to reduce the use of gas, oil and coal. But the final decision on ...
The Roman Empire might have been bigger than we first thought. The uncovering of a hidden road network demonstrates the ...