Explore what to expect during proton therapy, and see how the team at MedStar Georgetown will guide you through every step of your treatment process and recovery. To learn more about proton therapy at the first and most experienced proton therapy center in the Washington, D.C., metropolitan area, visit: http://bit.ly/2lC7oWQ | MedStar Georgetown University Hospital

Watch as the Russian proton rocket carries the European Space Agency's Exomars into the sky. More here: http://reut.rs/1P8QQXE | Reuters