As Mars’s atmosphere thinned and its surface became cold, dry and irradiated billions of years ago, any surviving microbial life may have found its last refuge underground. Yet the environments most capable of sheltering life could lie metres—or kilometres—below the surface, far deeper than any spacecraft has directly sampled.

1.0Australia News Beep | NewsBeep.comhttps://www.newsbeep.com/auNEWSBEEPhttps://www.newsbeep.com/au/author/newsbeep/As Mars’s atmosphere thinned and its surface became cold, dry and irradiated billions of years ago, any surviving microbial life may have found its last refuge underground. Yet the environments most capable of sheltering life could lie metres—or kilometres—below the surface, far deeper than any spacecraft has directly sampled.rich600338<blockquote class="wp-embedded-content" data-secret="0MjpDwlwse"><a href="https://www.newsbeep.com/au/821664/">As Mars’s atmosphere thinned and its surface became cold, dry and irradiated billions of years ago, any surviving microbial life may have found its last refuge underground. Yet the environments most capable of sheltering life could lie metres—or kilometres—below the surface, far deeper than any spacecraft has directly sampled.</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.newsbeep.com/au/821664/embed/#?secret=0MjpDwlwse" width="600" height="338" title="“As Mars’s atmosphere thinned and its surface became cold, dry and irradiated billions of years ago, any surviving microbial life may have found its last refuge underground. Yet the environments most capable of sheltering life could lie metres—or kilometres—below the surface, far deeper than any spacecraft has directly sampled.” — Australia News Beep | NewsBeep.com" data-secret="0MjpDwlwse" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.newsbeep.com/au/wp-includes/js/wp-embed.min.js </script> https://www.newsbeep.com/au/wp-content/uploads/2026/07/pexels-spirit-dead-wheel-mars-768x432.jpg600338