Although the team obviously can’t tie zircon minerals to the Roman Empire’s collapse, their lengthy migration inside frozen ...

As climate change defrosts the Earth’s poles, masses of ancient microbes—some that were captured in ice over 750,000 years ago—are emerging from deep-freeze in the Antarctic, according to a feature ...

New evidence has led to an update of when an ancient ice sheet that used to cover large portions of North America melted – a discovery has implications for modern ice sheets and glaciers in the face ...