Giant regions of the mantle where seismic waves slow down may have formed from subducted ocean crust, a new study finds.

New research is reshaping how scientists understand the earliest days of Earth’s formation—suggesting that the deep interior ...

The deep oceans are far from flat. They feature ridges, trenches, seamounts, and valleys, creating a diverse and dramatic ...

Scientists have long been puzzled by volcanoes that erupt far from the edges of tectonic plates—known as intraplate volcanoes ...

Conducted by researchers from Ocean University of China and Tohoku University, Japan, the work combines innovative seismic methodologies to map mantle flow patterns, slab-plume interactions ...