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

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 ...

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?

DJ Diplo shared on Instagram that he and comedian Chris Rock walked "six miles through the mud" before a fan offered them "a ride out of Burning Man in the back of a pick up". Some revellers need ...