The first humans to orbit over Earth's north and south poles are sending back images from their spaceflight, and the views are incredible ... they're witnessing from space. A Falcon 9 rocket ...

Pettit takes his photos from the cupola on the space station, a favorite of crew members due to its seven windows that overlook Earth. Here are some of his most unforgettable views of what it’s ...

For 35 years, the Hubble Space Telescope has taken photos of celestial objects across the universe. Look back at 10 photos ...