What do you think about when you stare out into the night sky, when you gaze across the oceans? How does it make you feel? Since the dawn of time we have been restless, both at home and ill at ease on this pale blue dot we call Earth.

Late last month, NASA announced that they were taking the hunt for life on other worlds to the next level. The space agency assembled a team of experts across a myriad of scientific fields at some of the best Universities in the United States - and the world - to see if any of the more than 1000 planets discovered outside our solar system are habitable. The initiative is called Nexus for Exoplanet System Science.

Umapagan Ampikaipakan speaks to Professor Bruce Macintosh from Stanford University about the search for habitable planets, for extraterrestrial life, for another world to call our own.

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Tags:  the science show,  science,  evening edition,  planet hunting,  nasa