Changes in Earth's orbit have helped pace climatic change for millennia. Scientists are now trying to understand whether - and how - these changes remodeled the landscapes our ancient ancestors ...

All three of orbital cycles — called Milankovitch cycles — impact African climate on long geologic timescales, but the cycle with the most influence on the rains in Africa is the "wobble ...

It has long been accepted that wobbles in Earth’s orbit around the sun influence the planet’s climate, with these Milankovitch cycles operating on periods measured in thousands of years.