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 ...

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 ...

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 ...

A new paper enriches scientists’ understanding of where the rock record preserved or destroyed evidence of Mars’ past and possible signs of ancient life. Today, Mars is a planet of extremes – it’s ...

Ancient microbial activity preserved in deep seafloor sediments challenges assumptions about where fragile traces of early ...

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