div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentchances-of-finding-life-on-mars-wane-after-probe-fails-to-clasp-methane-levelshtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: Chances of Finding Life on Mars Wane After Probe Fails to clasp-researchenginumichedupslPRESSMars · methane levels could be no more than 13 parts per billion or one-sixth loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer2022051917600997c23876395ad2152de6html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentchances-of-finding-life-on-mars-wane-after-probe-fails-to-clasp-methane-levelshtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: Chances of Finding Life on Mars Wane After Probe Fails to clasp-researchenginumichedupslPRESSMars · methane levels could be no more than 13 parts per billion or one-sixth loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsusreader034viewer2022051917600997c23876395ad2152de6html5thumbnails2jpg width=140 height=200 divdiv