Blackholesstandatthelimitofwhatwecanknow.Toexplorethatedgeofknowledge,theEventHorizonTelescopelinksobservatoriesacrosstheworldtosimulateanearth-sizedinstrument.Withthistooltheteampursuesthefirst-everpictureofablackhole,resultinginanimageseenbybillionsofpeopleinApril2019.Meanwhile,Hawkingandhisteamattacktheblackholeparadoxattheheartoftheoreticalphysics-Dopredictivelawsstillfunction,eveninthesemassivedistortionsofspaceandtime?Weavingthemtogetherisathirdstrand,philosophicalandexploratoryusingexpressiveanimation."Edge"isaboutpracticingscienceatthehighestlevel,afilmwhereobservation,theory,andphilosophycombinetograspthesemostmysteriousobjects