Yale joins the 'Snowball' fight over global deep freeze periods

New Haven CT (SPX) Feb 12, 2024

A Yale-led research team has picked a side in the "Snowball Earth" debate over the possible cause of planet-wide deep freeze events that occurred in the distant past. According to a new study, these so-called "Snowball" Earth periods, in which the planet's surface was covered in ice for thousands or even millions of years, could have been triggered abruptly by large asteroids that slammed