Seventy-year-old NASA astronaut Don Pettit looked pretty peaked shortly after returning to Earth from the ISS this month. And ...

Veteran astronaut Don Pettit conducted hundreds of hours of research and captured over half a million photos during his ISS ...

NASA's oldest full-time astronaut is back home and doing well a week after wrapping up a seven-month space mission.

After seven months, 93 million miles, and 670,000 photos, astronaut Don Pettit has returned to Earth. Pettit is taking part ...

NASA astronaut Don Pettit is back on Earth after completing a 220-day mission aboard the International Space Station. Pettit, ...

A veteran NASA astronaut just back from the International Space Station believes the orbiting facility can operate well past ...

Don Pettit, NASA's oldest full-time astronaut, returned from a seven-month mission at the International Space Station.

Not many people celebrate their birthday by burning a fiery arc through the atmosphere, pulling 4.4gs in freefall back to ...

Watch live as NASA astronaut Don Pettit discusses his mission aboard the International Space Station. Pettit was in space ...

The P/B ratio shows how a stock's market price compares to its book value. It helps gauge whether a stock is undervalued or overvalued relative to its net assets.