Wednesday, July 22, 2026
Science

Snowball Earth: Ancient Scottish rocks reveal annual climate cycles

Scientists at the University of Southampton have uncovered evidence from ancient rocks that Earth's climate continued to fluctuate during its most extreme ice age—known as Snowball Earth. During the Cryogenian Period, between 720 and 635 million years ago, it has long been believed that Earth's clim...

Snowball Earth: Ancient Scottish rocks reveal annual climate cycles
Image: Phys.org
Scientists at the University of Southampton have uncovered evidence from ancient rocks that Earth's climate continued to fluctuate during its most extreme ice age—known as Snowball Earth. During the Cryogenian Period, between 720 and 635 million years ago, it has long been believed that Earth's climate entirely shut down.

Originally published at Phys.org

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