Air & Space Magazine Signs of Light The first news of other life-forms in the universe won’t necessarily be broadcast on the radio. Michael Milstein September 1999 ShareCopy linkEmailSMSFacebookXRedditLinkedInBlueskyPrintAdd as preferred source You Might Also Like Hang a Right at Jupiter January 1, 2001 Next Stop Gusev Crater January 1, 2004 Bring Me the Tail of Wild-2 March 1, 1999 Danger: Airplane Crossing August 1, 2007 Fly Green! September 1, 2007 Get the latest stories in your inbox every weekday. Email Powered by Salesforce Marketing Cloud (Privacy Notice / Terms & Conditions)