Gamma-ray bursts, discovered by accident with classified satellites, were for decades a leading mystery in astrophysics. John M. Horack explores the breakthroughs that followed from the Gamma Ray Observatory (1991) and subsequent experiments, which showed that these are the most powerful explosions in the universe. Very recently, gravitational waves have been detected from these still-mysterious explosions.

Science Sundays is a free lecture series open to the public that provides a wide range of current and emerging topics and issues in science that touch our everyday lives. Speakers are experts in their fields from on campus and around the world with experience in making their topics interesting and accessible for audiences of all ages, with or without a science background.