Melting ice caps slow Earth's spin, lengthening days at 'unprecedented' rate

A new study says that the melting of the polar ice caps is causing our planet to spin more slowly. As the Earth turns more slowly, the length of day increases, intensifying the effects of a warming climate.

Discovery finds the Earth's core is constantly changing the length our day

The length of our day changes slightly over a six-year period. This recent discovery has perplexed scientists for about a decade and now we know the reason for it - it is the Earth core.