PANSPERMISM

"The theory of panspermism suggests that life on Earth may have originated from microorganisms or spores that arrived from outer space."

"Some scientists argue that the concept of panspermism challenges the idea of solely Earth-based life."

"Many proponents of panspermism believe that the building blocks of life can survive the harsh conditions of space."

"Exploring the possibility of panspermism has become an important branch of astrobiology."

"The notion of panspermism has stirred debates within the scientific community for decades."