Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

Six planets grace the sky this month in what's known as a planetary parade, and most can be seen with the naked eye. These planetary hangouts happen when several planets appear to line up in the night sky at once.

Six planets grace the sky this month in what's called a planetary parade — Venus, Mars, Jupiter and Saturn are visible to the naked eye in January and part of February.

Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see with the naked eye in the first few hours after dark. This weekend, Venus and Saturn get especially cozy.