Krypton, the noble gas better known for its fictional association with Superman, has become one of the most telling chemical tracers in planetary science. By measuring krypton isotopes locked inside ...

Artist's impression of planets forming around a young star. New, very precise measurements of krypton isotopes from deep in the Earth show that water, carbon and other volatile materials were ...

Krypton from the Earth’s mantle, collected from geologic hot spots in Iceland and the Galapagos Islands, reveals a clearer picture of how our planet formed, according to new research from the ...