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 ...

After years of debate many lines of evidence now favor the idea that the present continents were once assembled into two great land masses: Gondwanaland in the south, Laurasia in the north ...

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 ...

The symbiosis between corals and algae, observed in fossil reefs 385 million years old, allowed for an explosion of life that ...

During the Jurassic, it started splitting into two giant landmasses known as Laurasia and Gondwana that were divided by a prehistoric body of water called the Tethys Ocean. The Atlantic Ocean also ...

Columnar basalts are formed when a large lake of lava cools slowly and evenly, shrinking to create hexagonal-shaped columns. The lavas of the Giant’s Causeway formed when the ancient continent of ...

Recently, scientists discovered fossils of pre-dinosaur reptiles in Brazil. What is the significance of this discovery? Take ...

Gondwana formed when Earth's ancient supercontinent, Pangea, split into two fragments. Laurasia in the north became Europe, Asia, and North America. Gondwana in the south dispersed to form modern ...