Pettit, NASA's oldest active astronaut, is celebrating his 70th birthday while landing in Kazakhstan after 220 days in space.

Astronaut Don Pettit, who has been at the International Space Station since September, is set to land Saturday in Kazakhstan ...

NASA astronaut Don Pettit and two cosmonaut colleagues will return to Earth this evening (April 19), and you can watch their homecoming live.

NASA astronaut Don Pettit celebrates his 70th birthday with a spectacular return from the International Space Station after 220 days in orbit.

NASA administrator nominee Jared Isaacaman will take on questions from U.S. senators Wednesday at a confirmation hearing.

Astronauts almost always fly back in the same spacecraft they launched ... U.S. companies for taxi service for redundancy’s sake and stand by that choice.

Astronauts almost always fly back in the same spacecraft they launched ... U.S. companies for taxi service for redundancy's sake and stand by that choice. The Associated Press Health and Science ...