“It is quite hard to believe that the pattern has not been seen before.” Ice cave at the Glacier 3000 on the Swiss Alps. (Getty Images/Siyue Steuber/2190501572-170667a) The Milankovitch ...

and trigger the beginning and ends of ice ages. In a review of the last nearly 1 million years, the team observed a "pattern" in the record of climate change. That observation made it possible to ...