Cake, gifts and a low-key family celebration may be how many senior citizens picture their 70th birthday. But NASA's oldest serving astronaut Don Pettit became a septuagenarian while hurtling ...

With three space missions under his belt — and more than a year aboard the International Space Station — NASA astronaut Donald Pettit has experienced something that very few humans have.

A Soyuz capsule carrying the American and two Russian cosmonauts landed in Kazakhstan on Sunday, the day of Pettit’s milestone birthday. “Today at 0420 Moscow time, the Soyuz MS-26 landing craft with ...