The four-planet lineup that began in January concludes by mid- to late February, as Saturn sinks increasingly lower in the ...

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

For decades, Pluto was celebrated as the ninth planet of our solar system. However, in 2006, the International Astronomical ...

Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...

Spotting one or two of the planets in our solar system is well worth a good skywatch, but seeing (almost) all of them in a ...