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It holds amino acids and other organic compounds, as well as evidence of salty water</description><pubDate>Thu, 16 Jul 2026 20:04:05 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/this-meteorite-crashed-into-a-new-jersey-home-in-2024-now-scientists-say-it-contains-some-of-the-building-blocks-of-life-180989138/</guid><enclosure length="71946" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/s2jvinpjcgNcehQ-dFwTdBjZRAA=/420x240/filters:focal(585x451:586x452)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/7f/38/7f38918b-31e3-42f8-942d-06eedb65924d/figure-4.jpg"/></item><item><title>In a First, Astronomers Find Sugar in the Space Between Stars, Providing New Clues About the Origins of Life on Earth</title><link>https://www.smithsonianmag.com/smart-news/in-a-first-astronomers-find-sugar-in-the-space-between-stars-providing-new-clues-about-the-origins-of-life-on-earth-180989122/</link><description>Sugars are crucial components of RNA and DNA, the basis of all known organisms alive today. In a new study, the sugar erythrulose was detected in a gas- and dust-filled cloud near the center of our Milky Way galaxy</description><pubDate>Wed, 15 Jul 2026 14:00:00 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/in-a-first-astronomers-find-sugar-in-the-space-between-stars-providing-new-clues-about-the-origins-of-life-on-earth-180989122/</guid><enclosure length="253948" type="image/webp" url="https://th-thumbnailer.cdn-si-edu.com/QoLt5GlCXHQfhioQMn04X4Fma30=/420x240/filters:focal(521x367:522x368)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/93/9f/939f2207-d63e-4c4a-84de-dd7e9f60f96a/ssc2006-02a_0.webp"/></item><item><title>How Has Roman Concrete Lasted for Millennia? A 1,900-Year-Old Latrine Offers New Clues About the Material's Impressive Durability</title><link>https://www.smithsonianmag.com/smart-news/how-has-roman-concrete-lasted-for-millennia-a-1900-year-old-latrine-offers-new-clues-about-the-materials-impressive-durability-180989115/</link><description>A chemical process called carbonation, which helps seal cracks, could help explain why many ancient Roman structures are still standing today. Researchers hope that the insights will lead to better modern-day building materials</description><pubDate>Tue, 14 Jul 2026 15:54:46 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/how-has-roman-concrete-lasted-for-millennia-a-1900-year-old-latrine-offers-new-clues-about-the-materials-impressive-durability-180989115/</guid><enclosure length="1086736" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/XZQeawEkk9Jup-bhkhBYYr6H6eA=/420x240/filters:focal(1024x683:1025x684)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/f8/ef/f8ef2bbf-1984-46d7-9fba-cb9324c82871/3917.jpg"/></item><item><title>The Arctic Ocean May Have Passed a Crucial Tipping Point That Could Harm Food Webs and Worsen Climate Change</title><link>https://www.smithsonianmag.com/smart-news/the-arctic-ocean-may-have-passed-a-crucial-tipping-point-that-could-harm-food-webs-and-worsen-climate-change-180989083/</link><description>Sea ice loss seems to have triggered a decline in the nutrient nitrate, affecting the tiny organisms that form the foundations of marine food chains and absorb atmospheric carbon dioxide, according to a new study</description><pubDate>Wed, 08 Jul 2026 15:36:06 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/the-arctic-ocean-may-have-passed-a-crucial-tipping-point-that-could-harm-food-webs-and-worsen-climate-change-180989083/</guid><enclosure length="261588" type="image/webp" url="https://th-thumbnailer.cdn-si-edu.com/x87ImjEjIfkeun8_40hfMyDxmYk=/420x240/filters:focal(960x549:961x550)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/56/97/56971bb0-7575-4266-b735-7cb1088cba6c/polar-research-vessel-rv-kronprins-haakon-in-fram-strait-arctic-ocean.webp"/></item><item><title>Scientists Say They've Made Cells That Feed, Grow and Reproduce, Bringing Them One Step Closer to Building Life From Scratch</title><link>https://www.smithsonianmag.com/smart-news/scientists-say-theyve-made-cells-that-feed-grow-and-reproduce-bringing-them-one-step-closer-to-building-life-from-scratch-180989070/</link><description>The human-made cells show many hallmarks of life, but they can't make all their necessary internal structures or divide for very many generations</description><pubDate>Thu, 02 Jul 2026 19:53:39 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/scientists-say-theyve-made-cells-that-feed-grow-and-reproduce-bringing-them-one-step-closer-to-building-life-from-scratch-180989070/</guid><enclosure length="33744" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/35547IzOzw7WFI1bRR14IKKnu14=/420x240/filters:focal(454x307:455x308)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/af/04/af04437b-8b2a-4766-8abe-f11b209a657c/spudcell.jpg"/></item><item><title>Mars Rover Spots Complex Carbon on the Red Planet, Marking Yet Another Detection of a Building Block of Life</title><link>https://www.smithsonianmag.com/smart-news/mars-rover-spots-complex-carbon-on-the-red-planet-marking-yet-another-detection-of-a-building-block-of-life-180989043/</link><description>Along with other recent discoveries, the new finding from Perseverance boosts the case that Mars once hosted conditions that could support living things—but it isn’t a definitive sign of ancient organisms</description><pubDate>Tue, 30 Jun 2026 13:38:51 +0000</pubDate><guid>https://www.smithsonianmag.com/smart-news/mars-rover-spots-complex-carbon-on-the-red-planet-marking-yet-another-detection-of-a-building-block-of-life-180989043/</guid><enclosure length="189935" type="image/jpeg" url="https://th-thumbnailer.cdn-si-edu.com/z5nbQxq2uMeSpnev0lKN7Aa1c9I=/420x240/filters:focal(640x363:641x364)/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/5f/12/5f1253ed-da49-47d4-9707-fa3d27d1d17a/what-new-analyses-reve.jpg"/></item><item><title>A Rare Comet Made History as the Third Known Interstellar Object to Fly Through Our Solar System. 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