For decades, scientists have worked to improve predictions of El Niño-Southern Oscillation (ENSO), a climate powerhouse that can cause droughts, flooding, marine heat waves, and more around the world.

Here's the thing: most people check weather forecasts to decide whether to bring an umbrella, not to save hundreds on their heating bill. One family in the Midwest discovered they'd been doing it all ...

Q. I use Excel to do traditional linear forecasting, but I would like to upgrade to exponential smoothing for more accurate forecasts. Is there a way to do this in Excel? A. Accurate forecasting is ...