Did Life Come from Another World?

From Scientific American:Life_1

Most scientists have long assumed that life on Earth is a homegrown phenomenon. According to the conventional hypothesis, the earliest living cells emerged as a result of chemical evolution on our planet billions of years ago in a process called abiogenesis. The alternative possibility–that living cells or their precursors arrived from space–strikes many people as science fiction. Developments over the past decade, however, have given new credibility to the idea that Earth’s biosphere could have arisen from an extraterrestrial seed.

New research indicates that microorganisms could have survived a journey from Mars to Earth

More here.

Like what you're reading? Don't keep it to yourself!
Share on Facebook
Facebook
Tweet about this on Twitter
Twitter
Share on Reddit
Reddit
Share on LinkedIn
Linkedin
Email this to someone
email