Earth's Crust | smithsonianmag.comhttps://www.smithsonianmag.com/rss/tag/earths-crust/RSS feed for Earth's CrustenMon, 29 Jun 2026 17:16:50 +0000Scientists Double Down on Age of What Might Be Earth's Oldest Impact Crater, Dating It, Again, at More Than Three Billion Years Oldhttps://www.smithsonianmag.com/smart-news/scientists-double-down-on-age-of-earths-oldest-meteorite-impact-crater-dating-it-again-at-more-than-three-billion-years-old-180989023/Last year, geologists dated the crater in Western Australia at 3.47 billion years old, which was disputed by other experts. Now, they've revised the estimate to 3.02 billion years old—but some still aren't convincedMon, 29 Jun 2026 17:16:50 +0000https://www.smithsonianmag.com/smart-news/scientists-double-down-on-age-of-earths-oldest-meteorite-impact-crater-dating-it-again-at-more-than-three-billion-years-old-180989023/Powerful Back-to-Back Earthquakes Killed at Least 188 People in Venezuela. Here's the Science Behind the Rare 'Doublet'https://www.smithsonianmag.com/smart-news/powerful-back-to-back-earthquakes-killed-at-least-188-people-in-venezuela-heres-the-science-behind-the-rare-doublet-180989018/On June 24, two quakes above magnitude 7 struck the northern part of the country only 39 seconds apart. While doublet sequences aren't unheard of in seismology, they are uncommon—especially in such short successionThu, 25 Jun 2026 19:10:16 +0000https://www.smithsonianmag.com/smart-news/powerful-back-to-back-earthquakes-killed-at-least-188-people-in-venezuela-heres-the-science-behind-the-rare-doublet-180989018/