Longtime NASA astronaut Don Pettit, who has ventured to space four times, returned to Earth on Saturday night from the ...

Longtime NASA astronaut Don Pettit ... Here are some of his most unforgettable views of what it’s like to live in space that he captured over the past seven months.

An all-female crew, including singer Katy Perry, flew into space on a Blue Origin rocket. They touched down back on Earth ...