All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...
A European-Japanese spacecraft has beamed back some of the best close-up photos yet of Mercury's north pole as part of only the second human survey of our solar system's innermost planet. The ...
In January, stargazers will be able to see four bright planets, the close dance of Venus and Saturn, Mars at opposition, and ...
Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...