A huge cosmic event some 14,300 years ago was so powerful, it left a discernible mark on our planet. In the partially fossilized trunks of ancient trees, and excavated cores of millennia-old ice, scientists have found evidence that suggests some sort of massive space event took place in around 12350 BCE.

Learn about the strongest solar storm to ever strike Earth, occurring around 14,300 years ago during the last Ice Age.

This powerful eruption sent streams of plasma and charged particles into space, contributing to widespread shortwave radio blackouts across multiple continents.