(08:51) SANTA CRUZ – The public is invited to come out to the Rio Theatre in Santa Cruz Tuesday night for a free lecture on the search for life in the universe. The talk will be led by Doctor Lucianne Walkowicz, an astronomer at the Adler Planetarium in Chicago, who studies stellar magnetic activity and how stars influence a planet’s suitability as a host for alien life. The lecture will begin at 6:30 p.m. Seating is on a first come, first served basis. Registration is encouraged but not required. For more information, visit astro.ucsc.edu . (S.G.)