AUTHOR=Leila Mahmoud , Radwan Ahmed A. , Abdelwahhab Mohammad A. , Moretti Isabelle TITLE=Editorial: Natural hydrogen in different contexts: geological, cosmochemical, and biological JOURNAL=Frontiers in Earth Science VOLUME=11 YEAR=2023 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2023.1296646 DOI=10.3389/feart.2023.1296646 ISSN=2296-6463