Cake, gifts and a low-key family celebration may be how many senior citizens picture their 70th birthday. But NASA's oldest ...

While most people mark milestone birthdays with quiet reflection, NASA's oldest serving astronaut Don Pettit celebrated his ...

NASA, ESA, and the Space Telescope Institute that runs Hubble will release some great images for its birthday, but if you want to mark the occasion in a more personal way, you can check out this ...

Whether they're your friend or someone you only acknowledge in the break room, we've got you covered with these birthday wishes for coworkers of all kinds.

Nasa astronaut Don Pettit returned to Earth from the International Space Station – coincidentally on his 70th birthday – aboard the Russian Suyoz spacecraft early on Sunday morning.