Pettit is now in the midst of his third stint on the International Space Station, and the decade he had to prepare for his ...

So I grabbed my camera, ran outside, and looked up just as Mars was supposed to emerge from the Moon's curved horizon. Seen ...

A spacecraft named BepiColombo is currently zipping by planet Mercury, making a very close flyby and snapping incredible high ...

A 2023 satellite image captured a pair of peculiar phenomena painting parallel swirls in the sea and sky around Norway's Bear ...

NASA astronaut John W. Young, commander of the Apollo 16 mission, took a far-ultraviolet photo of Earth with an ultraviolet ...

Astronomers have released a set of more than a million simulated images showcasing the cosmos as NASA's upcoming Nancy Grace ...

It took a quarter of a century, but artist Mikael Genberg may finally see his dream realized: a red Swedish house, on the moon.