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

Seven planets are aligning in the night sky and will be visible Friday, February 28. The alignment, also called a "planet parade," happens when planets' orbits around the sun cause them to appear ...

It's unlikely you'll be able to walk outside and see a line of planets, but according to NASA, a seven-planet parade happening tonight could be visible in some form in parts of the U.S. The ...