Scientists of course cannot cut into Earth and directly observe its insides. Instead, their knowledge is inferred from the ...
Located 3,000 miles below the Earth's surface, the inner core is anchored by gravity within the molten liquid outer core. Until now the inner core was widely thought of as a solid sphere.
"Few birds are as likely to start as many arguments among paleontologists as 'vegavis,'" said professor Christopher Torres.
The surface of Earth's inner core appears to be dynamic, changing shape as it rotates, earthquake waves reveal.
Beryllium-10, a rare radioactive isotope produced by cosmic rays in the atmosphere, provides valuable insights into the Earth ...