A new study mapped continental groundwater flow, revealing that rain and snowmelt travel much farther and deeper underground than previously known. Over half of stream water comes from deep aquifers, ...

Nine men were trapped on Monday after the mine was suddenly flooded. Since then, the rescue operation has seen a series of ...

Other lands on Oʻahu that are off-limits for a landfill include areas near airports and coastlines vulnerable to tsunamis.

Researchers from Princeton University and the University of Arizona have created a simulation that maps underground water on ...