Earth’s crust looks solid from the surface, but it is broken into a shifting mosaic of slabs that slowly rearrange oceans and continents. Understanding how those tectonic plates first formed is one of ...

This year, the U.S. is celebrating 250 years as an independent nation. But, as Jamie Dimon laid out in his 2026 annual letter to shareholders, there are large, unresolved, multi-year risks ahead (1, 2 ...