Several missions this year are seeking out life on the red planet. But would we recognize extraterrestrials if we found them?
https://getpocket.com/explore/item/are-aliens-hiding-in-plain-sight
* Tianwen-1 * Nasa’s Mars 2020 * Hope * Europa Clipper probe * Dragonfly * Viking landers touched down on Mars in 1976 * Huygens lander mission of 2005 * James Lovelock * broader category called “lyfe”