Eccentricity. Obliquity. Precession. The Earth’s climate is influenced by both natural long-term cycles and recent human activities. The Milankovitch cycles refer to the long-term variations in the ...

Get ready to hear a lot more about El Niño during the next several months — and maybe even longer — as the infamous climate cycle returns again, developing and intensifying in the Pacific Ocean near ...

Dramatic droughts linked to the decline of the Classic Maya civilization approximately 800 to 1000 CE may not have required ...

Nature keeps the world in balance through quiet, powerful cycles we often overlook. From seasons to the flow of ecosystems, ...