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{"created_at":"2026-04-16T10:40:53.507 {"created_at":"2026-04-16T10:40:53.507295+00:00","signal_type":"news_headline_delta","source":"news_rss","url":"https://news.google.com/rss/articles/CBMiX0FVX3lxTFBBcWptZ1J2VWh1UkI5bE82bGVWNm9jMmhUSUJhZ0RJRVl0dFlvZzk0WHZzZGxDYlEwdldCM1NMUEd5M3NKMWI5UjNMMWlYZy0xSFVyZUxzcGNEMjRCUEpJ?oc=5","value":{"fp":"de044dbf368793fe","published_at":"2026-04-15T21:51:12+00:00","source":"Nature","source_domain":"nature.com","source_url":"https://www.nature.com","summary":"Identifying the topographic signature of early Martian oceans Nature Hunt For Ancient Ocean Features On Mars Reveals Red Planet\u2019s Equivalent Of A Continental Shelf IFLScience NASA Finds \"Bathtub Ring\" on Mars JFeed Mars' Ancient Ocean: Unearthing the Red Planet's Wet History Devdiscourse Newly Discovered Coastal Shelf on Mars Could be Best Evidence Yet for Long-Gone Ocean Jackson School of Geosciences","title":"Identifying the topographic signature of early Martian oceans - Nature","url":"https://news.google.com/rss/articles/CBMiX0FVX3lxTFBBcWptZ1J2VWh1UkI5bE82bGVWNm9jMmhUSUJhZ0RJRVl0dFlvZzk0WHZzZGxDYlEwdldCM1NMUEd5M3NKMWI5UjNMMWlYZy0xSFVyZUxzcGNEMjRCUEpJ?oc=5"}}... |