Astronomical researcher Dr. Wil van Breugel will speak on Our Universe: Watch Out! at the Science on Saturday program April 28 at California State University, Fresno. van Breugel, who has more 25 years of experience in conducting astronomical research using a wide variety of telescopes on earth and in space, will address how stars and planets form, dangers to the Earth and other planets, the collision of galaxies, active black holes and the effects of jets colliding with interstellar gas.