spreading to southern Gondwana and to Laurasia, the adjacent northern supercontinent that later split into Europe, Asia and North America. Support for this origin comes from the fact it is a ...

Contrary to what you may intuit, the Earth's gravity isn't uniform, and there's one place where it's much weaker than anyone ...

Laurasia, the northern half, broke up into North America and Eurasia. Gondwana, the southern half, began to break up by the mid-Jurassic. The eastern portion—Antarctica, Madagascar, India ...

By the end of the period 199 million years ago, tectonic forces had slowly begun to split the supercontinent in two: Laurasia in the north and Gondwana in the south. The giant ocean called ...

During the Early Jurassic, ornithischian fossils are abundant and diverse in the Gondwana supercontinent. In contrast, the ornithischian fossil record in Laurasia during this time is less varied ...