The Canadian Ambassador to Ireland Kevin Vickers ditches diplomatic protocol when he tackled a protester at an event near Dublin.
NASA called off attempts to inflate the first privately built expandable room on the International Space Station on Thursday.
In August 1945, Hiroshima became the first city in the world to be struck by an atomic bomb.
Governors from Texas, Alabama, Arizona, Georgia, Louisiana, Maine, Oklahoma, Tennessee, West Virginia, Wisconsin and Utah are also on board.
President Barack Obama addressed Donald Trump's candidacy in remarks Thursday from Japan.