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Astronomical community "buzzing" after it was revealed five planets around a star resembling our Sun. And at least one is within the "habitable zones" of stars.
The star Tau Ceti is in constellation of whale, which can be seen with the naked eye, has in its orbit five planets, one of which is within the "habitable zone (zone Goldilocks).
This star was still surrounded significant disk stellar debris, as was our Solar system soon after its formation. Based on the study of the process of formation of our Solar system, scientists know that this period is characterized by high activity of asteroids.
This fact is almost certainly prevents clever and complicated life, because every life there will be destroyed with periodic catastrophic consequences. We know this because of the sort has happened on the Earth, and the Tau Ceti has in its orbit ten times more waste than our Sun in his time.