For some time now, NASA scientists have been searching for extraterrestrial life on other planets. NASA will hold a news conference Wednesday to talk about what it has learned.
Last year, NASA launched a Kepler aircraft equipped with a special telescope to try and find Earth-size planets in this galaxy.
The aircraft is on a three-and-a-half -year mission hunting planets but NASA has been able to download data. However, even without the evidence from Kepler, some believe there are aliens floating somewhere out there.
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