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

The photo you see above -- the default wallpaper for Windows XP -- is probably the most recognizable image in the world. What you probably didn't know is that it's a real photo, called Bliss ...

Kennedy Space Center's Complex 39A on ... You can see more stunning photos of the "Blood Moon" and learn how to discern real ...