The astronomical linkup is fairly common and can happen at least every year depending on the number of planets.

While NASA says it's unlikely that all the planets will be visible to the naked eye, they could all appear in some form in parts of the U.S. The upcoming cosmic event also follows a series of planets, ...

Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could all be visible with clear skies, but not all can be seen by the naked eye, according to Space.com and other sites that track ...

Experienced stargazers can see it with binoculars now. In mid-September, as it comes closer, it may even be visible to the naked eye. You need to be somewhere with dark skies, but it could be well ...

Meanwhile, four planets are visible to the naked eye at the same time after sunset through mid-February, according to NASA. While some may rush to call this parade a special alignment of the ...

Philip Langill, director of the University of Calgary's Rothney Astrophysical Observatory, says four planets will be visible with the naked eye at the same time after sunset throughout February ...