{"id":208618,"date":"2025-03-13T13:25:33","date_gmt":"2025-03-13T18:25:33","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2025\/03\/violent-supernovae-triggered-at-least-two-earth-extinctions-study-suggests"},"modified":"2025-03-13T13:25:33","modified_gmt":"2025-03-13T18:25:33","slug":"violent-supernovae-triggered-at-least-two-earth-extinctions-study-suggests","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2025\/03\/violent-supernovae-triggered-at-least-two-earth-extinctions-study-suggests","title":{"rendered":"Violent supernovae \u2018triggered at least two Earth extinctions,\u2019 study suggests"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/violent-supernovae-triggered-at-least-two-earth-extinctions-study-suggests.jpg\"><\/a><\/p>\n<p>At least two mass extinction events in Earth\u2019s history were likely caused by the \u201cdevastating\u201d effects of nearby supernova explosions, a new study suggests.<\/p>\n<p>Researchers at Keele University say these super-powerful blasts\u2014caused by the death of a massive star\u2014may have previously stripped our planet\u2019s atmosphere of its ozone, sparked acid rain and exposed life to harmful ultraviolet radiation from the sun.<\/p>\n<p>They believe a supernova explosion close to Earth could be to blame for both the late Devonian and Ordovician extinction events, which occurred 372 and 445 million years ago respectively.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>At least two mass extinction events in Earth\u2019s history were likely caused by the \u201cdevastating\u201d effects of nearby supernova explosions, a new study suggests. Researchers at Keele University say these super-powerful blasts\u2014caused by the death of a massive star\u2014may have previously stripped our planet\u2019s atmosphere of its ozone, sparked acid rain and exposed life to [\u2026]<\/p>\n","protected":false},"author":661,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,12],"tags":[],"class_list":["post-208618","post","type-post","status-publish","format-standard","hentry","category-cosmology","category-existential-risks"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/208618","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/661"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=208618"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/208618\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=208618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=208618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=208618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}