The Earth's interior is composed of four layers, three solid and one liquid—not magma but molten metal, nearly as hot as the surface of the sun. The deepest layer is a solid iron ball ...

All organisms on Earth ride upon a "ferrous wheel" made of different forms of iron that are essential for life. Aa Aa Aa Biogeochemical cycles describe pathways by which chemical elements move ...

Perhaps more importantly, it will give planetary scientists a chance to study an iron core like the one located in the center of the Earth—and uncover a new kind of metal world in the solar system.

Astronomers at the Indian Institute of Astrophysics (IIA), an autonomous institute of the Department of Science and ...

These elements tend to come from two specific areas of the periodic table: the d-block metals like cobalt, nickel, and iron, and the f-block actinides lanthanides, which include the rare-earth ...

Earth's iron cycle is a very complex biogeochemical ... field lines in both the Northern and Southern Hemispheres. Bacteria located in environments with higher than optimal oxygen concentration ...