
Evidence of the biggest ever solar storm 14,300 years ago has been found in ancient tree rings.
Such a massive storm today on the scale of the newly discovered one would be “catastrophic” for modern technology, say scientists.

Evidence of the biggest ever solar storm 14,300 years ago has been found in ancient tree rings.
Such a massive storm today on the scale of the newly discovered one would be “catastrophic” for modern technology, say scientists.