Ars Technica ยท Jul 4, 2026 11:00 UTC A martian rock has lots of carbon on it, and it's not clear why Read full story on Ars Technica Share AI disclosure Summary Biology could explain the find, but there are other potential explanations. 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
