Inter-world life transport argued By Dr David Whitehouse BBC News Online science editor Life could quickly spread throughout the galaxy Astronomers may have shown how microbes from Earth could be spread throughout the galaxy taking life to other worlds. Scientists at Armagh Observatory and Cardiff University say bacteria could get into space on rocks blasted off the planet by an asteroid or comet impact. Their calculations then indicate the microbes would eventually leak out of our Solar System to seed other regions. The work is reported in two independent papers published in the Monthly Notices of the Royal Astronomical Society....