Throughout Earth's history, ice caps have been very rare, but a model of the past 420 million years suggests an explanation for why they sometimes form ...

The cool conditions which have allowed ice caps to form on Earth are rare events in the planet's history and require many complex processes working at once, according to new research. A team of ...

The idea that melting ice caps would change the Earth's spin rate was advanced years ago: Agnew found reference to the concept in an 1866 paper by William Thomson. Still, previous analysis of the ...