Bacteria | smithsonianmag.comhttps://www.smithsonianmag.com/rss/tag/bacteria/RSS feed for BacteriaenWed, 05 Aug 2026 19:13:11 +0000A New Study Points to Two Origins of Life on Earth by Tracing Early Chemical Reactions in Single-Celled Organismshttps://www.smithsonianmag.com/science-nature/a-new-study-points-to-two-origins-of-life-on-earth-by-tracing-early-chemical-reactions-in-single-celled-organisms-180989260/The work challenges the assumption that all life descended from one free-living cell. Instead, it suggests that two microbial lineages, the bacteria and archaea, evolved independently from a primordial, nonliving ancestorWed, 05 Aug 2026 19:13:11 +0000https://www.smithsonianmag.com/science-nature/a-new-study-points-to-two-origins-of-life-on-earth-by-tracing-early-chemical-reactions-in-single-celled-organisms-180989260/