As you read this, the North American continent’s underside is dribbling away into Earth’s molten mantle. And according to ...

A study led by Prof. Zhang Nannan from the Xinjiang Institute of Ecology and Geography (XIEG) of the Chinese Academy of ...

S et a time machine to around 275 million years ago and the Guadalupe Mountains would look like another world. Instead of ...

The 100th meridian marks a dividing line between moist climates to the east and arid climates to the west. Climatologists now ...

A fossil from one of the largest dinosaurs to live in North America was discovered in a national park in Texas.