Our planet may have had a recent change of heart. Earth’s inner core may have temporarily stopped rotating relative to the mantle and surface, researchers report in the January 23 Nature Geoscience.

A team of researchers led by Emory's Chunhui Xu recently found that heart muscle cells can grow and survive in the microgravity environment of space. The team's findings, published in Biomaterials, ...

Iron atoms form a rigid hexagonal close-packed (hcp) structure, with a subset of these atoms exhibiting collective motion along the [100] and [010] directions. Within this hcp iron lattice, ...

Researchers proposed a model with a 70-year rotation cycle of our planet’s iron heart, and report that we’re in the middle of one of its big shifts. By Robin George Andrews Imagine Earth’s inner core ...