https://www.live-feeds.com/feed/new-analysis-finds-signs-of-life-on-mars-actually-came-from-earthContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/new-analysis-finds-signs-of-life-on-mars-actually-came-from-earthhttps://www.live-feeds.com/feed/new-analysis-finds-signs-of-life-on-mars-actually-came-from-earth#u14774Fri, 26 Jun 2026 21:16:52 +0000Recent tests indicate that certain molecules previously viewed as biosignatures on Mars may have come from Earth. Specifically, the hydrocarbons pristane and phytane failed a terrestrial test despite their presence on the Red Planet. Other findings from the Perseverance rover continue to show complex organic matter and potential biosignatures in the Jezero Crater.What's confirmed:The Perseverance rover discovered a rock containing complex organic matter.Perseverance collected a sample from an ancient dry riverbed in Jezero Crater that could preserve evidence of ancient microbial life.Evidence