In one scenario, the unusual radioactive accumulation could have been caused by a sudden and drastic change in ocean circulation around Antarctica 10 to 12 million years ago. Alternatively, Earth ...

According to plate tectonics theory, Earth's outer shell is divided into multiple plates that slowly glide over the mantle. This slowly changes Earth's surface over time by merging, or separating ...

To understand the fascinating mechanics of the collision of India with Asia we must first look beneath the Earth's surface ... the Himalayas. By 10 million years ago the two continents were ...