Ars Technica ยท Jul 5, 2026 10:55 UTC The missing 500 million: Cosmic bombardment melted Earth's first crust Read full story on Ars Technica Share AI disclosure Summary The heat of the Hadean may have come from impacts as well as the interior. Original reporting Open original source Read full article on Ars Technica Get the AFBytes Brief Major stories, AI-assisted analysis, and what to watch next. Free, monthly, unsubscribe anytime. Subscribe
