New chemical evidence sheds light on the physical constraints of 'hotspots' -- locations where upwellings of Earth's mantle material form seamounts and island chains. Although the existence of ...

A new study that determines Samoa is indeed on the path of a geologic "hotspot" trail is adding fuel to a vigorous scientific debate over the origins of volcano chains -- especially in the Pacific ...

A hotspot that now lies in the middle of the Atlantic Ocean was once under the Great Lakes, and may explain why they formed where they did. When you purchase through links on our site, we may earn ...