Earth’s origin story has always had missing pages, from the chemistry of its first crust to the ingredients that seeded life. Now, a series of breakthroughs, from asteroid samples to ancient rocks ...

Two enormous structures that sit at the border between the Earth’s mantle and its core have puzzled scientists for decades, defying reigning theories of how our planet came to be. In a new study ...

Scientists may finally be closing in on the origins of two colossal, mysterious structures buried nearly 1,800 miles inside Earth—hidden formations that have puzzled researchers for decades. New ...

Deep inside Earth, far below the crust and oceans, lie vast hidden regions that many geophysicists suspect could have shaped the conditions for life at the surface. I cannot verify specific scientific ...