{"id":742369,"date":"2026-07-04T07:30:09","date_gmt":"2026-07-04T07:30:09","guid":{"rendered":"https:\/\/www.newsbeep.com\/us\/742369\/"},"modified":"2026-07-04T07:30:09","modified_gmt":"2026-07-04T07:30:09","slug":"earths-new-next-door-neighbor-a-potentially-habitable-planet-discovered-by-astronomers","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us\/742369\/","title":{"rendered":"Earth\u2019s new &#8216;next-door neighbor&#8217;, a potentially habitable planet, discovered by astronomers"},"content":{"rendered":"<p>A newly discovered and potentially habitable exoplanet scientists are calling Earth\u2019s \u201cnext-door neighbor\u201d could be the next stepping stone in humanity\u2019s search for extraterrestrial life.<\/p>\n<p>\u201cThis one\u2019s exciting,\u201d Paul Robertson of the University of California, Irvine, <a href=\"https:\/\/news.uci.edu\/2026\/06\/30\/uc-irvine-astronomers-discover-a-new-earth-like-exoplanet\/\" target=\"_blank\" rel=\"noopener nofollow\">said in a statement<\/a> on Tuesday, adding that \u201cit\u2019s one of our closest cosmic neighbors.\u201d\u00a0<\/p>\n<p>\u201cTwenty-five light years sounds like a long way, but the Milky Way is about 100,000 light years across, so in that respect it\u2019s our next-door neighbor,\u201d said Robertson, the lead author of a new study published in The Astrophysical Journal.<\/p>\n<p><img style=\"aspect-ratio:1.50146628;display:block\" loading=\"lazy\" decoding=\"async\" data-modal-image=\"39885819\" width=\"886\" height=\"590\" src=\"https:\/\/www.newsbeep.com\/us\/wp-content\/uploads\/2026\/07\/www-space-com-astronomy-exoplanets-133203803.jpg\" alt=\"Illustration of a red dwarf star with a small exoplanet orbiting it, set against a dark, starry background.\" class=\"wp-image-39885819\"  \/>A new exoplanet, GJ 3378b, dubbed Earth\u2019s \u201cnext-door neighbor,\u201d could be a key step toward finding extraterrestrial life. Space.com<\/p>\n<p>The exoplanet, called \u201cGJ 3378b,\u201d is approximately twice the size of Earth and is located in <a href=\"https:\/\/nypost.com\/2017\/01\/21\/scientists-searching-for-life-on-nearby-super-earth\/\" rel=\"nofollow noopener\" target=\"_blank\">the Goldilocks zone<\/a>, the scientific region around a star where a planet\u2019s surface temperature is just right to maintain liquid water.<\/p>\n<p>Whether the planet has an atmosphere remains a crucial component of its ability to host life \u2014 GJ 3378b sits on the edge of the \u201ccosmic shoreline,\u201d a metric that determines whether a planet can retain an atmosphere based on gravity versus the radiation it receives.\u00a0<\/p>\n<p>\u201cIf you scale the Earth down to the size of an apple, its atmosphere would be about as thick as the skin of the apple,\u201d said Robertson.<\/p>\n<p>\u201cThat\u2019s just enough to maintain the kinds of surface pressures where you can have liquid water,\u201d he explained.<\/p>\n<p>\u201cIt\u2019s enough that there\u2019ll be breathable air, and it provides maybe a little bit of protection from the harsh radiation environment of space.\u201d<\/p>\n<p><img style=\"aspect-ratio:1.50146628;display:block\" loading=\"lazy\" decoding=\"async\" data-modal-image=\"39885817\" width=\"886\" height=\"590\" src=\"https:\/\/www.newsbeep.com\/us\/wp-content\/uploads\/2026\/07\/www-space-com-astronomy-exoplanets-133203805.jpg\" alt=\"An illustration of an orange-brown planet against a dark, star-filled cosmic background with nebulous clouds.\" class=\"wp-image-39885817\"  \/>This potentially habitable world is twice Earth\u2019s size and sits in the Goldilocks zone, where liquid water could exist. Space.com<\/p>\n<p>More observatories are required to determine if a given planet has any kind of atmosphere, which could \u201cjustify further research looking for biosignatures, liquid water or other signs of life that require both an atmosphere and the right amount of heating from the host star,\u201d said Gogod James, a UC Irvine student in Robertson\u2019s group who helped study the size of GJ 3378b.<\/p>\n<p>NASA has <a href=\"https:\/\/nypost.com\/2023\/01\/14\/nasa-unveils-plan-for-next-generation-telescope-to-search-space-for-signs-of-life-reports\/\" rel=\"nofollow noopener\" target=\"_blank\">plans to construct the Habitable Worlds Observatory<\/a>, which is slated to launch in the next 20 years or so.\u00a0<\/p>\n<p>If completed, astronomers will begin to search for chemicals in atmospheres that could have been produced by life.\u00a0<\/p>\n<p>\u201cI think that\u2019s just too much fun,\u201d said Robertson.<\/p>\n","protected":false},"excerpt":{"rendered":"A newly discovered and potentially habitable exoplanet scientists are calling Earth\u2019s \u201cnext-door neighbor\u201d could be the next stepping&hellip;\n","protected":false},"author":2,"featured_media":742370,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48],"tags":[64655,271,6625,79,193,13059,194],"class_list":["post-742369","post","type-post","status-publish","format-standard","has-post-thumbnail","category-space","tag-aliens","tag-life","tag-planets","tag-science","tag-space","tag-space-program","tag-us-news"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/742369","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/comments?post=742369"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/742369\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media\/742370"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media?parent=742369"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/categories?post=742369"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/tags?post=742369"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}