The American Rock Mechanics Association invites you to its 55th US Rock Mechanics / Geomechanics Symposium to be held in Houston, Texas, USA, on 20-23 June 2021. The 2021 program will focus on technical advances and innovative applied research in rock mechanics and geomechanics. Technical tours and field trips are being planned. Short courses and workshops will be held prior to the symposium. Details will be posted on the website (https://texas2021.armarocks.org/) as they become available.