Seven planets are on display in the night sky at the end of February, but some will be harder to spot than others. Here’s what you need to know to catch a glimpse.

Mercury is expected to join the other planets in being visible to the unaided eye by Friday, Feb. 28. Planet parades must be observed during twilight between dawn and sunset so a glowing sky does ...

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 ...