Category: Geophysical

Niagara Falls freezes over

Niagara Falls freezes over

Niagara Falls freezes over Tourists who braved record low temperatures to visit Niagara Falls have been treated to a spectacular sight. Water turned to ice as it plunged over the 34-metre-high American Falls –...

Yellowstone_River_in_Hayden_Valley

Supervolcano eruption mystery solved

Scientists have made a breakthrough in their efforts to understand what causes so-called supervolcanoes to erupt. Supervolcanoes are capable of eruptions thousands of times larger than normal outpourings. It was thought that an external...