The notion of panspermia â?? the transferral of viable organisms between planets, and even between star systems, seems to be getting a bit more attention these days. One only has to open this previous ...

We often wonder whether there are aliens on other planets but what if we ourselves are aliens on the planet we call home? Panspermia, the “controversial” theory that life “began elsewhere in space” ...

Scientists have long debated the possibility of that the microbial seeds of life did not originate on Earth, but were perhaps delivered here from an alien source, encased in comets or meteorites from ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This article is more than 5 years old. "Lithopanspermia" ...

Life is thought to have originated spontaneously on Earth about 3.5 billion years ago, but some scientists are think life may have come to Earth from elsewhere in the universe. But if finding the ...

Panspermia suggests life can travel between worlds, but new research highlights a darker implication: contamination works both ways. If microbes can survive the journey to Earth, so could far more ...