When gas pressure becomes strong enough, it pushes muddy slurry upward through cracks in the Earth’s surface. This creates bubbling pools, cones, or even large eruptions. In this case, the UNGRD said ...

They can leap from a surface on their own. This can happen for a variety of reasons, such as when a surface repels water or when heat is involved, such as a water or oil droplet skittering across a ...

The Bumpass Hell Trail in California leads to boiling mud pots and steaming vents inside one of the West’s most active hydrothermal basins.

Building a swimming pool on top of a mud house already demanded careful reinforcement and steady manual labor. As the structure took shape, something unexpected appeared beneath the surface—a spider ...