Well, truthfully, not much. A planetary alignment occurs "when the planets 'line up' on the same side of the sun, generally speaking," Gerard van Belle, Lowell Observatory's director of science ...

A visible line of planets has for weeks been the talk of astronomers and hobbyist stargazers who have sought to catch a sight of our solar system's worlds. Online chatter and a frenzy of media ...

Seven planets are aligning in the night sky this week, creating a brief chance to see a "planetary parade." Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus ...