Panspermia and the Origins of Life: From Meteorites to Directed Seeding

To the point

Life on Earth may have started outside our planet through panspermia, with hardy organisms potentially surviving space travel inside rocks to seed other worlds, though interstellar journeys face major hurdles and directed panspermia remains speculative, and the presence of organic molecules in meteorites keeps open the possibility that life could hitchhike between planets, as discussed by Neil deGrasse Tyson, Caleb Scharf, David Grinspoon, Crick, and Orgel.