Deep-sea sediment layers show rare microbial wrinkle structures that formed in environments far beyond the reach of sunlight. Dr. Rowan Martindale, a paleoecologist and geobiologist at the University ...
One of the largest canyons in our Solar System carved its way through several layers of ancient volcanic eruption debris, a recent study reports. Valles Marineris is a titanic network of deep cracks ...
The study found that the Port Askaig Formation, composed of layers of rock up to 1.1 km thick, was likely laid down between 662 to 720 million years ago during the Sturtian glaciation -- the first of ...