Mercury is joining Venus, Mars, Jupiter, Saturn, Uranus, and Neptune for a seven-planet parade. It's a stargazer's paradise.

For weeks, outer space enthusiasts have been gearing up for a planetary alignment, or "planetary parade," expected to conclude on Friday evening, just after dusk. Stargazers could have the chance ...

While this planetary alignment isn't particularly rare, it is relatively uncommon, according to space.com. Spotting two, three, or even four bright planets at once is not unusual, but the chance ...