In 2008 scientists reported that rocks in Canada were the world’s oldest. New data appear to confirm this contested claim ...

In a study published in Physical Review Letters, scientists at GSI Helmholtzzentrum für Schwerionenforschung have discovered ...

The gold standard for determining the age of ancient rocks is measuring the radioactive decay of isotopes of uranium into lead in minerals known as zircons. But not all rocks contain zircons, so ...

On the wind-blasted shores of Hudson Bay, the Nuvvuagittuq Greenstone Belt has silently witnessed Earth’s early beginnings for centuries. Now, with its improved age of 4.16 billion years, these rocks ...

This parent body contained water and carbon dioxide in ice form. Heating by radioactive decay melted the ice, which generally remained below 50C. This environment contrasts with enstatite chondrites, ...

A tiny grain from asteroid Ryugu has revealed djerfisherite, a mineral that normally forms in scorching, oxygen-poor settings ...