Every few hundred thousand years, Earth’s magnetic poles flip, turning north into south and south into north. These ...

A perfectly preserved ancient tree fossil offered scientists an unprecedented view into a moment 42,000 years ago when the Earth’s magnetic field went haywire. The compelling 2021 study tells the ...

"In general, we found more blue rings in trees than in shrubs. Shrubs seem to be more adapted to cooling events than trees, which is probably why shrubs are found further north." A little more than 2 ...

The most familiar of these so-called biochronologies are tree rings, which form every year in response to seasonal cycles in temperature and rainfall. Dendrochronology – the art of tree-ring ...

If you would like to see more of our reporting, please consider subscribing. 1. Tibetan tree rings link climate change and fall of major Chinese dynasties Researchers have used tree rings to track ...

Researchers have used tree rings to track rainfall patterns on the Tibetan Plateau over the course of almost 3,500 years and found a link between major changes and the downfall of some of the most ...

Changes in the tree rings' isotopes—forms of a chemical element with specific properties—can be used to understand precipitation variations over time. This enabled the researchers, many from ...

Photo Credit: Reddit Photo Credit: Reddit In the photos, a small tree is set in a tree ring. Closer-in photos show that the tree's leaves seem to be turning brown and withering. The homeowner said ...

Their keen observations led to the unearthing of beautifully preserved fossilized tree trunks embedded within the sandstone beds of the Kasauli Formation. The discovery includes 10 to 15 fossil trees, ...

Changes in the tree rings’ isotopes – forms of a chemical element with specific properties – can be used to understand precipitation variations over time. This enabled the researchers ...

Trump Says He Will Rework Global Trading Relations With ‘Reciprocal’ Tariffs President Trump signed a memorandum ordering his advisers to calculate new tariff levels for other countries, a ...