Sun is setting earlier and leaves are changing. Here's what to know about first day of fall 2025, autumnal equinox, foliage map and winter solstice ...

Earthmover found new customers when it started building tools for companies to analyze the output of weather models. The ...

A study published in Nature found some regions on Earth experience peak spring at unexpected times. Researchers found examples all over the world.

Geoengineering may cool the planet—but one method could seriously disrupt global weather by weakening a key climate system, ENSO.