The astronauts aboard the Apollo 8 lunar mission became the first humans to directly view the far side of the moon during ...

A Martian dust devil can be seen consuming its smaller friend in this short video made of images taken at the rim of Jezero Crater by ...

But from 260 miles above in space, he saw no trace of humanity — just desolation: a seemingly endless view of pure white ice.

Perhaps unsurprisingly, Houston (aka Space City) topped the list, with a whopping 472 UFO sightings, according to the study.

Landing safely on the surface of another planetary body, like the Moon or Mars, is one of the most important milestones of any given space mission. From the very beginning, NASA's Langley Research ...