After Friday's spectacle, a "planet parade" of this size won't appear in the night sky for several years, experts say.

STARGAZERS are in for a a treat on Friday night as seven planets will briefly align in the night sky. Mercury, Venus, Mars, ...

Tonight marks a rare celestial event where seven out of the eight planets will align in the night sky, for the last time in ...

Seven planets will align in the night sky tonight, offering a rare celestial event for stargazers. Mercury, Venus, Mars, ...

While a few planets lining up in the night sky isn't rare, NASA says that more than four in alignment is unusual.