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" ...

The theory of panspermia is a controversial one, to say the least. It has various forms, but the crux is this: Life originated beyond the Solar System and was spread through the galaxy, perhaps via ...

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 ...

Researchers from the Harvard-Smithsonian Center for Astrophysics recently released a study claiming that panspermia, an astronomical theory that life is exchanged between planets within solar systems, ...

The panspermia hypothesis posits that life on Earth originated from extraterrestrial "seeds" of life. Proposed mechanisms for the transport of these life "seeds" include meteorites, comets, and ...

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 ...

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” ...

Extremophiles, capable of surviving the inhospitable conditions of space, could become trapped in debris that is ejected into space after collisions between asteroids and planets that harbour life.