NewsEarthThe ozone layer shields life on Earth. Well soon lose a key way to monitor its healthNASA's Aura and Canada's SCISAT near the end of missions to monitor ozone-depleting substances NASAs Aura satellite (illustrated) has been orbiting Earth for more than 20 years. It is expected to run out of power in mid-2026.NASABy Nikk Ogasa44 seconds agoHumankind will soon lose a great deal of vigilance over the ozone layer, which shields life on Earth from harmful solar radiation.The impending loss of NASAs Aura and the Canadian Space Agencys SCISAT satellites threatens scientists ability to closely monitor compounds that destroy ozone and alter stratospheric circulation. With no planned missions to replace either satellite, a data desert in the stratosphere appears imminent, researchers warn in the March Bulletin of the American Meteorological Society.Sign up for our newsletterWe summarize the week's science breakthroughs every Thursday.