The discovery of alien life would count as the most dramatic discovery of all time. Yet the search for alien life among infinite space is a daunting task, and primarily the preserve of conspiracy theorists and the private sector. But all that could be about to change, with the US space agency NASA deciding on a strategic shift and "aggressive" atttitiude to accelerate the search for alien life.

NASA has been looking for evidence of alien life for years, as part of its legendary Search for ExtraTerrestrial Intelligence (SETI) program.

Although significant progress has been made on locating potentially habitable planets close to Earth, actually finding aliens has proved much harder.

But despite this apparent
lackif progress, NASA researchers are increasingly optimistic a breakthrough could happen relatively soon.

A report called Biosignature False Positives written by the NASA Goddard Institute for Space Studies and the NASA Goddard Space Flight Centre outline their optimism’s reason.

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