Russian air forces repelled a "massive" air attack by Ukraine on Sevastopol, though debris from a missile fell onto a residential area, the Russia-installed governor of the Crimean port, Mikhail Razvo ...
As Chair of the Board of Sponsors of the Bulletin of the Atomic Scientists from 2008–2018, I helped unveil the Doomsday Clock every year for a decade. That meant that each year, I sat down with my col ...