Our sun as a white dwarf will have a core of mostly carbon and oxygen, which is the remnants of burning helium. Around this core will be a thin layer of helium, which will be the leftovers of ...

Neutrinos generated through solar fusion reactions travel effortlessly through the sun's dense core. Each specific fusion ...

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 ...

Stars like our sun fuse hydrogen in their cores into helium. White dwarfs are stars that have burned up all of the hydrogen they once used as nuclear fuel. Fusion in a star's core produces heat ...

Hydrogen and helium separate at pressures and temperatures found within the gas giant Jupiter’s marbled exterior is pretty familiar territory, but it’s still not clear what happens far below ...