CNNWhen -- or if -- NASA finds life on Mars, the world may not be ready for the discovery, the agency chief saysSep 30, 2019Scottie AndrewBy Scottie Andrewmore_vert
The TelegraphNasa chief scientist: 'We're close to finding and announcing alien life on Mars....but is the world ready?'Sep 28, 2019Sarah KnaptonBy Sarah Knaptonmore_vert