A look at the scientific evidence for panspermia.
Where did life come from? It remains one the biggest questions in biology, and has preoccupied scientists for hundreds of years. The problem, simply put, is that the universe began as a roiling cosmic soup of inanimate matter, but eventually gave rise to a diverse multitude of lifeforms. Since the Earth is the only place in the universe where we know for sure that life exists, the search for its origins has historically been limited to terra firma.
Over the last few decades ... Read even more
