{"id":255974,"date":"2024-08-21T14:39:35","date_gmt":"2024-08-21T14:39:35","guid":{"rendered":"https:\/\/michigandigitalnews.com\/index.php\/2024\/08\/21\/when-did-life-on-earth-begin-surprisingly-early-in-our-planets-history\/"},"modified":"2025-06-25T17:11:58","modified_gmt":"2025-06-25T17:11:58","slug":"when-did-life-on-earth-begin-surprisingly-early-in-our-planets-history","status":"publish","type":"post","link":"https:\/\/michigandigitalnews.com\/index.php\/2024\/08\/21\/when-did-life-on-earth-begin-surprisingly-early-in-our-planets-history\/","title":{"rendered":"When did life on Earth begin? Surprisingly early in our planet\u2019s history"},"content":{"rendered":"

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The oldest known piece of Earth? A 4.4 billion-year-old zircon<\/p>\n

John Valley, University of Wisconsin-Madison<\/p>\n<\/div>\n<\/figcaption><\/figure>\n<\/p>\n

Until recently, many discounted the idea that life could have existed on Earth before 3.8 billion years ago because it was thought that heavy pummelling from asteroids<\/a> would have made this impossible. But several lines of evidence are pointing to an earlier origin of life<\/a>, and as we begin to question whether the late heavy bombardment really happened at all, it\u2019s beginning to look like life started surprisingly early in our planet\u2019s history.<\/p>\n

The earliest fossil evidence \u2013 around 3.5 billion years ago<\/h2>\n

Although\u2026<\/p>\n<\/p><\/div>\n

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[ad_1] The oldest known piece of Earth? A 4.4 billion-year-old zircon John Valley, University of Wisconsin-Madison Until recently, many discounted the idea that life could<\/p>\n","protected":false},"author":1,"featured_media":255975,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[177],"tags":[],"_links":{"self":[{"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/posts\/255974"}],"collection":[{"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/comments?post=255974"}],"version-history":[{"count":0,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/posts\/255974\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/media\/255975"}],"wp:attachment":[{"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/media?parent=255974"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/categories?post=255974"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/michigandigitalnews.com\/index.php\/wp-json\/wp\/v2\/tags?post=255974"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}