Permanently halting construction of the controversial dam would create too much risk that the incomplete structure would fail ...

The water to fill the expanded reservoir capacity would be moved from the headwaters of the Colorado River on the opposite ...

Construction on a controversial dam outside of Denver is set to restart after a federal judge found there wouldn’t be ...

Seasonality shapes much of life on Earth. Most species, including humans, have synchronised their own rhythms with those of ...

At first glance, fish ladders seem like a simple fix for migratory fish blocked by dams. But behind their concrete steps lies ...