© 2026 ABC News

The huge discovery has pushed forward NASA's resolve to send humans to the Red Planet.

\"We are on a journey to Mars and science is leading the way,\" Grunsfeld said. \"It's going to provide us with a great sense of our place in the universe and our solar system in particular. ... Science never sleeps.\"

","canonicalUrl":"https://abcnews.com/Technology/mars-water-nasa-discovery-matters/story?id=34104958","legacySlug":"/news/story/mars-water-nasa-discovery-matters-34104958","noIndexNoFollow":false},"publishTime":"16:39","publishDate":"09-28-2015","updatedTime":"19:28","updatedDate":"09-29-2015","socialImage":{"alt":"NASA confirmed there is water on Mars.","credit":"NASA/JPL/University of Arizona","ratio":"16x9","url":"https://s.abcnews.com/images/Technology/ht_nasa_lb_150928_16x9_1600.jpg","width":992,"height":558},"datePublished":"9/28/2015 16:39:00 GMT","video":{"live":false,"id":34104958,"headline":"Mars Has Water: Why NASA Discovery Matters","mediaAssetTitle":"NEWCOMB_Mars_Water_Meaning_150928","description":"Discovery of water has huge implications for human mission to Mars.","duration":"1:18","posterImg":{"url":"https://s.abcnews.com/images/GMA/default-img-undefined.png","width":608,"height":342},"video":{"feed":"https://service-pkgabcnews.akamaized.net/opp/hls/abcnews/2015/09/150928_wn_kerley_,500,800,1200,1800,2500,3200,4500,.mp4.csmil/playlist.m3u8"},"playlist":["137841142","137841141","137803591"]},"relatedItems":[{"contentType":"video","date":"November 4, 2026","headline":"Alaska still too early to call","section":"News","slug":"/video/137841142","id":"137841142","image":{"alt":"VIDEO: Alaska still too early to call","credit":"ABCNews.com","ratio":"1x1","url":"https://s.abcnews.com/images/GMA/261104_gma_ault_alsaka_734_hpMain_1x1_608.jpg","width":384,"height":384},"images":{"alt":"VIDEO: Alaska still too early to call","credit":"ABCNews.com","crops":[{"16x9":{"small":"https://s.abcnews.com/images/GMA/261104_gma_ault_alsaka_734_hpMain_16x9_608.jpg","medium":"https://s.abcnews.com/images/GMA/261104_gma_ault_alsaka_734_hpMain_16x9_992.jpg","large":"https://s.abcnews.com/images/GMA/261104_gma_ault_alsaka_734_hpMain_16x9_1600.jpg"}},{"9x16":{"small":"https://s.abcnews.com/images/GMA/261104_gma_ault_alsaka_734_hpMain_9x16_608.jpg","medium":"https://s.abcnews.com/images/GMA/261104_gma_ault_alsaka_734_hpMain_9x16_992.jpg","large":"https://s.abcnews.com/images/GMA/261104_gma_ault_alsaka_734_hpMain_16x9_1600.jpg"}},{"1x1":{"small":"https://s.abcnews.com/images/GMA/261104_gma_ault_alsaka_734_hpMain_1x1_608.jpg","medium":"https://s.abcnews.com/images/GMA/261104_gma_ault_alsaka_734_hpMain_1x1_992.jpg","large":"https://s.abcnews.com/images/GMA/261104_gma_ault_alsaka_734_hpMain_1x1_1600.jpg"}}]}},{"contentType":"video","date":"November 4, 2026","headline":"History made in Kansas Senate race","section":"News","slug":"/video/137841141","id":"137841141","image":{"alt":"VIDEO: History made in Kansas Senate race","credit":"ABCNews.com","ratio":"1x1","url":"https://s.abcnews.com/images/GMA/261104_gma_ramos_kansas_733_hpMain_1x1_608.jpg","width":384,"height":384},"images":{"alt":"VIDEO: History made in Kansas Senate race","credit":"ABCNews.com","crops":[{"16x9":{"small":"https://s.abcnews.com/images/GMA/261104_gma_ramos_kansas_733_hpMain_16x9_608.jpg","medium":"https://s.abcnews.com/images/GMA/261104_gma_ramos_kansas_733_hpMain_16x9_992.jpg","large":"https://s.abcnews.com/images/GMA/261104_gma_ramos_kansas_733_hpMain_16x9_1600.jpg"}},{"9x16":{"small":"https://s.abcnews.com/images/GMA/261104_gma_ramos_kansas_733_hpMain_9x16_608.jpg","medium":"https://s.abcnews.com/images/GMA/261104_gma_ramos_kansas_733_hpMain_9x16_992.jpg","large":"https://s.abcnews.com/images/GMA/261104_gma_ramos_kansas_733_hpMain_16x9_1600.jpg"}},{"1x1":{"small":"https://s.abcnews.com/images/GMA/261104_gma_ramos_kansas_733_hpMain_1x1_608.jpg","medium":"https://s.abcnews.com/images/GMA/261104_gma_ramos_kansas_733_hpMain_1x1_992.jpg","large":"https://s.abcnews.com/images/GMA/261104_gma_ramos_kansas_733_hpMain_1x1_1600.jpg"}}]}},{"contentType":"video","date":"November 3, 2026","headline":"New states in play as record gas prices hit on Election Day","section":"News","slug":"/video/137803591","id":"137803591","image":{"alt":"VIDEO: New states in play as record gas prices hit on Election Day","credit":"ABCNews.com","ratio":"1x1","url":"https://s.abcnews.com/images/GMA/261103_gma_karl_jarvis_gas1_711_hpMain_1x1_608.jpg","width":384,"height":384},"images":{"alt":"VIDEO: New states in play as record gas prices hit on Election Day","credit":"ABCNews.com","crops":[{"16x9":{"small":"https://s.abcnews.com/images/GMA/261103_gma_karl_jarvis_gas1_711_hpMain_16x9_608.jpg","medium":"https://s.abcnews.com/images/GMA/261103_gma_karl_jarvis_gas1_711_hpMain_16x9_992.jpg","large":"https://s.abcnews.com/images/GMA/261103_gma_karl_jarvis_gas1_711_hpMain_16x9_1600.jpg"}},{"9x16":{"small":"https://s.abcnews.com/images/GMA/261103_gma_karl_jarvis_gas1_711_hpMain_9x16_608.jpg","medium":"https://s.abcnews.com/images/GMA/261103_gma_karl_jarvis_gas1_711_hpMain_9x16_992.jpg","large":"https://s.abcnews.com/images/GMA/261103_gma_karl_jarvis_gas1_711_hpMain_16x9_1600.jpg"}},{"1x1":{"small":"https://s.abcnews.com/images/GMA/261103_gma_karl_jarvis_gas1_711_hpMain_1x1_608.jpg","medium":"https://s.abcnews.com/images/GMA/261103_gma_karl_jarvis_gas1_711_hpMain_1x1_992.jpg","large":"https://s.abcnews.com/images/GMA/261103_gma_karl_jarvis_gas1_711_hpMain_1x1_1600.jpg"}}]}}],"relatedContentSection":"news","schemaContent":{"name":"Mars Has Water: Why NASA Discovery Matters","description":"Discovery of water has huge implications for human mission to Mars.","duration":"1:18","uploadDate":"09-28-2015","publication":"09-28-2015","images":"https://s.abcnews.com/images/GMA/default-img-undefined.png","url":"https://service-pkgabcnews.akamaized.net/opp/hls/abcnews/2015/09/150928_wn_kerley_,500,800,1200,1800,2500,3200,4500,.mp4.csmil/playlist.m3u8","contentUrl":"https://service-pkgabcnews.akamaized.net/opp/hls/abcnews/2015/09/150928_wn_kerley_,500,800,1200,1800,2500,3200,4500,.mp4.csmil/playlist.m3u8","link":"https://www.goodmorningamerica.com/news/story/mars-water-nasa-discovery-matters-34104958"}},"playlist":[{"id":"138043361","contentType":"story","section":"news"},{"id":"138031409","contentType":"story","section":"news"},{"id":"138024523","contentType":"story","section":"news"},{"id":"137979832","contentType":"story","section":"news"},{"id":"137976484","contentType":"story","section":"news"},{"id":"137958306","contentType":"story","section":"news"},{"id":"137912305","contentType":"story","section":"news"},{"id":"137885086","contentType":"story","section":"news"},{"id":"137853814","contentType":"story","section":"news"},{"id":"137841842","contentType":"story","section":"news"},{"id":"137680927","contentType":"story","section":"news"},{"id":"137443017","contentType":"story","section":"news"},{"id":"137471181","contentType":"story","section":"news"},{"id":"136253720","contentType":"story","section":"news"},{"id":"137220313","contentType":"story","section":"news"},{"id":"137234817","contentType":"story","section":"news"},{"id":"137147457","contentType":"story","section":"news"},{"id":"137132187","contentType":"story","section":"news"},{"id":"136945841","contentType":"story","section":"news"},{"id":"136945748","contentType":"story","section":"news"}],"kvps":{"pgtyp":"article","lang":"en","sp":"goodmorningamerica","programmatic":"true","bundleId":"com.abcnews"}},"analytics":{"accountID":"wdgnewwdgnewgmaweb","ns":"gma","pageName":"gma:news:video","pageType":"video","globalSpecVersion":"v1.08","siteDifferentiator":"gma:site","tagID":"g_page01","userABCookie":"0","section":"news","title":"Mars Has Water: Why NASA Discovery Matters","pubTime":"12:39","pubDate":"09-28-2015","modTime":"15:28","modDate":"09-29-2015","taxonomyTags":"none","id":34104958,"editorialOtherSubjects":"","wordCount":"none","columns":"none","authors":"","authorsUnit":"none","authorsBureau":"none","subBrand":"Good Morning America","provider":"Good Morning America","videoName":"Mars Has Water: Why NASA Discovery Matters","mediaAssetTitle":"NEWCOMB_Mars_Water_Meaning_150928","videoId":34104958,"mediaOnPage":"video","legacySlug":"/news/story/mars-water-nasa-discovery-matters-34104958"},"taboola":{}},"request":{"headers":{},"httpVersion":"1.1","method":"GET","url":"/video/34104958","vary":{"host":"www.goodmorningamerica.com","cached":true,"path":"/video/34104958","forwarded-proto":"https","device":"desktop","userab":"0"}},"viewport":{"width":1260,"height":0},"user":{}};