A planet-size object that possibly once visited the solar system may have permanently changed our cosmic neighborhood by ...
Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...
In January, stargazers will be able to see four bright planets, the close dance of Venus and Saturn, Mars at opposition, and ...
A six-planet alignment or parade will form an arc in the early night sky, peaking in it's visibility Jan. 17-18. We let you ...
Smaller gas giants are less likely to survive in such systems, surrounded by clashing planetary titans. With their lower ...
A parade of planets is coming this January, but if you miss it, you can catch it in later months. Six planets in our solar ...