To see Earth from space is to be forever changed by the view. Since Alan Shepard became the first American to lay eyes on our home planet from above, countless NASA astronauts have described feeling ...

When astronauts look back at Earth from space, they often describe an experience so profound that it permanently alters how they perceive life. Known as the "overview effect," this shift in ...

Add Yahoo as a preferred source to see more of our stories on Google. Astronaut Christina Koch gazes on her receding home planet out the window of Orion as the spacecraft continues its journey toward ...

This presentation was recorded on November 7, 2013 in the "Moving Beyond Earth" exhibition at the National Air and Space Museum in Washington, DC. Human spaceflight has changed our world, but can a ...