A team of Brazilian scientists has discovered a fossilized skeleton of what they believe is one of the world's oldest dinosaurs after heavy rains in the southern state of Rio Grande do Sul accelerated the natural...
The Andean Plateau in South America rises, on average, more than 4,000 meters above sea level, formed by orogenic uplift that began more than 20 million years ago. Orogeny occurs at convergent plate margins as compressed...
