Comets contributed to Earth’s atmosphere, says study of 3 billion-year-old minerals
May 18, 2017, Press release on the publication « G. Avice, B. Marty, and R. Burgess. The Origin and Degassing History of the Earth’s Atmosphere Revealed by Archean Xenon (May 2017). Nature Communications 8 : 15455. » on Phys.org.