An astronaut’s awe-inspiring views from life in space

Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his most stunning photos of the cosmos.

​ Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his most stunning photos of the cosmos. Read More Breaking News, Latest News and Videos | CNN