Astronomers have reportedly narrowed the search for extraterrestrial life to a focused list of 45 rocky exoplanets. Out of more than 6,000 confirmed worlds, these planets were selected based on their potential to host life according to the study published in ScienceDaily. Using data from the European Space Agency’s Gaia mission, a team led by Lisa Kaltenegger at Cornell University’s Carl Sagan Institute built a catalogue of planets with rocky surfaces and possible habitability. The group also identified 24 planets within stricter criteria, assuming habitability may end sooner than broader models suggest. The selection aims to make observation campaigns more efficient, since telescope time and resources are limited. This refined list provides a practical guide for prioritising which exoplanets to study first.
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