ALIENS: NASA Readies Big Announcement on Possible Alien Life. “NASA has announced a press conference for Thursday and is expected to confirm a major discovery about life beyond earth. The announcement will be made by the team of scientists who have been studying the several thousand planets discovered by the Kepler space telescope. Kepler is the most successful planet-hunting probe in history, having identified more than 2500 planets with another 2000 candidates that still need to be studied.”