Nasa raises hopes of finding extra-terrestrials with discovery of 'alien' bacteria that survives in arsenic

Nasa scientists are set to announce that bacteria have been discovered that can survive in arsenic, an element previously thought too toxic to support life, it can be revealed.

In a press conference scheduled for tomorrow evening, researchers will unveil the discovery of the incredible microbe - which substitutes arsenic for phosphorus to sustain its growth - in a lake in California.

The remarkable discovery raises the prospect that life could exist on other planets which do not have phosphorus in the atmosphere, which had previously been thought vital for life to begin.

But it will come as a major disappointment for those who had hoped Nasa was about to announce that it had found life on other planets... View Full Article>>