In the frigid landscapes of northern Norway, an unusual phenomenon etched into the rings of trees and shrubs has offered a glimpse into the Earth's climatic history. Scientists have discovered that ...

Discovering evidence of deadly deluges of snow from the past could help protect people on mountains around the world, researchers say. By Katherine Kornei A rumble, a deluge of snow and then silence — ...

Trees need a certain number of warm days in their growing seasons to grow properly; otherwise, the cell walls of new growth ...

If you cut down a tree, you can read in the wood an environmental record. Now climate change is complicating the narrative. In a basement in Tucson, Ariz., slices of tree trunks stand on shelves. They ...

A new study leveraging 20,000 tree-ring records and nearly 150 scientists' contributions from across the globe shows that, while droughts appear to have had a modest impact on tropical tree growth in ...

A rumble, a deluge of snow and then silence — avalanches can be deadly, but they often leave behind little enduring evidence of their passage. Now, researchers have turned to tree rings to reconstruct ...