An annual safety report to NASA has both praise and also underscores a number of cautionary woes, including the space ...

According to BBC Sky at Night Magazine, it is all a matter of perspective and how we see objects in the night sky from Earth.

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Five of the brightest planets will be visible to the naked eye. With help, you may even spot Uranus and Neptune.

New research reveals that Earth and Mars lost essential elements due to violent cosmic collisions, not early planetary ...