Kelsey JohnsonScientific American Latest articles by Kelsey Johnson No E.T. Life Yet? Here's Why That's Important. By Kelsey Johnson published 5 August 19 The search for intelligent aliens has time and again come up empty. Perhaps that means they aren't out there. Extraterrestrial Life Sign up for the Live Science daily newsletter nowGet the world’s most fascinating discoveries delivered straight to your inbox.Contact me with news and offers from other Future brandsReceive email from us on behalf of our trusted partners or sponsors LATEST ARTICLES1Chinese scientists hunt for alien radio signals in 'potentially habitable' TRAPPIST-1 system2James Webb telescope's 'starlit mountaintop' could be the observatory's best image yet — Space photo of the week3Science history: Gravitational waves detected, proving Einstein right — Sept. 14, 20154Why do AI chatbots use so much energy?5How the surface you exercise on might increase your risk of cramps
No E.T. Life Yet? Here's Why That's Important. By Kelsey Johnson published 5 August 19 The search for intelligent aliens has time and again come up empty. Perhaps that means they aren't out there.