Summer 2023 was northern hemisphere's hottest for 2,000 years

Across Europe, Asia and North America, surface air temperatures were more than 2°C higher in June, July and August 2023 than the average summer temperature between AD1 and 1890, as reconstructed from tree ring records.

Largest ever solar storm identified in a 14,300-year-old tree rings

A similar solar storm today would be catastrophic for modern technological society—potentially wiping out telecommunications and satellite systems, causing massive electricity grid blackouts, and costing us billions of pounds.

A Mysterious Cosmic Storm That Strikes Every Thousand Years

A large spike in radiocarbon found in trees around the world means an uptick in cosmic radiation.