Space, climate, research and discoveries, explained clearly.
The Leonids peak around November 17 and the Geminids around December 13 and 14. In 2026 the Moon is a thin crescent during the Geminids, making it a strong year to watch. Here is when and how.
The 2026 winter solstice falls on Monday, December 21, giving the Northern Hemisphere its shortest day. But the earliest sunset comes weeks before, and the coldest weather weeks after. Here is why.
Each step up the earthquake magnitude scale means about 32 times more energy released. Here is how earthquakes are measured, why magnitude and shaking differ and how to stay safe.
Fall colors come from pigments that are either hidden all summer or made fresh in autumn. Sunny days and cool nights make the brightest displays. Here is the science of fall foliage.
The Atlantic hurricane season runs from June 1 to November 30. NOAA predicted a below-normal 2026 season. Here is how hurricanes form, how categories work and what makes them deadly.
