A unique weather situation is shaping up for late October. Here's what an atmospheric river means and why it matters.

Dec. 31 for us civilians. But if you’re a hydrologist, 2025 ended Sept. 30 — the 2025 water year, that is. Those who study ...

LAS VEGAS — In the spring of 1983, runoff from what seemed like a relentless winter of snow and rain had filled Lake Powell, the huge reservoir near Page. Officials made the decision to release a ...

Around the world, we are already witnessing the detrimental effects of climate change, which we know will only become more ...