Star dust in space may be the basis of life on earth

What's the role of stardust or spacedust in the origin of life on earth?

Microscopic space dust from the comet Wild 2 reveals clues that seem to run counter to the basic theories of the solar system`s origin, US scientists say.

NASA spacecraft's fetched comet dust reveals "cosmic zoo" and supports the theory that spacedust is the root origin of life on earth