Most are expected to be visible to the naked eye, though not all seven. The alignment is known as a planet parade — a planetary lineup in space from Earth’s perspective. The alignment takes ...

On any given night, weather permitting, you can spot at least one bright planet in the sky, and lineups of four or five planets, seen by the naked eye, typically occur every few years, according ...

Around the end of the month, Saturn will slip below the horizon and into daytime skies, ending the seven-planet parade. But stargazers will get another chance to see a planetary alignment in ...

On Feb. 28, a stellar alignment of planets will illuminate the night sky for the last time in a decade Space Frontiers/Hulton Archive/Getty Calling all stargazers and astronomy enthusiasts ...

Pluto was discovered at Lowell Observatory in Flagstaff, Arizona in 1930 and was considered our ninth planet until 2006. The International Astronomical Union reclassified Pluto as a dwarf planet ...