Caldera resurgence is either exceptionally boring or unbearably interesting. The slow crawl of the Lazufre system stands in ...

America came late. Humanity had come from Africa, and spread out over Eurasia. This happened mainly during the ice age, when lower sea levels allowed walking migration where previously a significant ...

This, of course, is our annual April-1 news story, not all aspects of which are equally reliable. The picture of an unshaped lava mount is a hornito from the Mount Ulu eruption. Indeed, they can form ...