Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.
Simpson and Chen ran mathematical models looking at how differently sized Earth-like worlds would have affected the rest of ...
Although it's being mistakenly promoted as a "rare planetary alignment," one of the best "planet parades" in half a century ...
Throughout much of January and February, Venus, Mars, Jupiter, Saturn, Uranus and Neptune will be visible splayed out in a long arc across the heavens, with Venus, Mars, Jupiter and Saturn being ...
Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but get a telescope and you can spot Neptune and Uranus.