New research into fossilized rock formations in Zimbabwe is shedding light on Earth's nitrogen cycle before the rise of atmospheric oxygen. Scientists analyzing ancient stromatolites—layered rock ...

It features scenes of farmers tilling soil, majestic mountain roads, sedimentary rock formations, and granite and marble quarries. The film also highlights natural phenomena such as volcanic activity ...

igneous or sedimentary, which are heated and compressed underground.Igneous rocks are formed when molten rock from volcanic activity cools down either underground or on the surface.This slow but ...