This reservoir is tapped by one or several conduits, along which fluid-rich mud ascends because it is less dense than the surrounding rock. The mud that reaches the surface may form small mounds ...

The search for a woman who is believed to have fallen into a sinkhole in western Pennsylvania has become a recovery effort ...

He's hopeful the mud-wasp dating technique can now be used at more locations right across the north of Australia, and perhaps at other rock art locations in the Americas and Europe. Gavin Broad is ...

It has seen the youngest ever leader in the history of a Grand Tour, and an American rider taking the lead for the first time in ten years. Ah also, did we mention mud and a landslide?

A wave of mud and rock triggered by heavy rain engulfed those collecting stones, the fire service said. Myanmar is the world's biggest source of jade but its mines have seen numerous accidents ...

Police announce the search operation has now turned into a recovery effort, with an expert saying: "I would be surprised if ...