In a stunning reminder of our place in the vastness of space, a remarkable image taken by NASA’s Cassini spacecraft shows Earth and its Moon captured alongside the awe-inspiring rings of Saturn. The ...

Earth, as seen from the dark side of Saturn, 898 million miles away The Earth and moon from Saturn's Cassini spaceship, taken on July 19, 2013. NASA/JPL-Caltech/Space Science Institute ...

An explosion on the the sun spewed 'dark plasma' into space that resulted in a moderate G2-class geomagnetic storm on Wednesday (March 15).

There’s no real “dark side” of the moon, but the far side, which faces away from Earth, is different from the near side we see every day. Samples could reveal why.

Normally the dark side of the moon is truly dark. Like Earth, the moon is spherical, and sitting in space, one half of it is always lit by the sun. As the moon orbits our planet, ...

Compared to the near side, and especially low-Earth orbit, there is very little human activity there. We’ve had more active missions on the surface of Mars than on the lunar far side. Chang'e-4 ...