Researchers found that helium can bond with iron under extreme pressure, suggesting vast helium reserves in Earth’s core. This challenges existing models of planetary formation and hints at Earth’s ...

The discovery that helium and iron can mix at the temperatures and pressures found at the center of Earth could settle a long-standing debate over how our planet formed. Primordial helium from the ...

Helium-3 may be trapped in Earth's core, a study suggests Researchers found helium can mix with iron at extreme conditions The discovery may confirm Earth formed faster than previously thought ...