Could an Earthly Fungus Contaminate Mars? NASA May Have Found One Hardy Enough. The New York TimesThis Fungus Can Survive Deep-Space Conditions - And Could Hitch a Ride to Mars ScienceAlertMars missions face new contamination risk from hardy fungus Earth.comScientists Say This Fungus Could Survive the Trip to Mars SciTechDailyPerhaps We Have Already Brought Earthly Microbes to Mars ChemistryViews
Who will replace U.N. Secretary-General Antonio Guterres when he steps down this year? Four candidates field questions from member states this week at U.N. headquarters.