The XB-70 Valkyrie was a groundbreaking aircraft in the history of aviation, designed by North American Aviation in the 1960s ...

Carl Kuehner became Blue Origin's astronaut number 70, which based on prior precedent, was determined by the seat on board ...

Manchester United are set for a busy summer in the transfer market and already a pattern is becoming clear at Old Trafford ahead of Ruben Amorim's first pre-season at the club ...

Key Points and Summary – The North American XB-70 Valkyrie was a technologically ambitious US Air Force bomber prototype developed in the late 1950s, designed to fly at speeds exceeding Mach 3 at ...