Feb. 1—With every faucet we turn, shower we take, or toilet flushed, water miraculously appears from our pipes. But how it gets there is no small feat for water systems in the mountains. The ebb ...

Fast-flowing water entered the pump and snapped shut a value that caused air pressure to build in the pump until it was strong enough to push the water through a pipe and uphill.

How did old-time farmers get water to flow uphill? Hunting for clues on Coney Brook Trail.

Watch sand defy gravity and flow uphill thanks to “negative friction” Applying magnetic forces to single iron oxide-coated particles spurs strange collective motion.

About 55 percent of the water emanating from U.S. rivers is vulnerable to pollution, due to their lack of protections under the Clean Water Act, a new study has found.