It would be understandable if you stopped thinking as much about Pluto after it was “demoted” from being considered one of the nine planets sharing the Earth’s solar system to being classified as a ...

The Cats of Mirikitani” and “Memories of Mirikitani,” 7 p.m., Liberty Hall, 644 Massachusetts St. Free admission; panel discussion follows. “Disney’s ‘Frozen,’ The Broadway Musical,” 7 p.m., Lawrence ...

Pluto's discovery by Clyde Tombaugh, key political changes in Scandinavia and America, plus cultural and scientific milestones.

Since Pluto remains in the sun’s orbit, it should be considered a planet due to the fact that it is still a part of the solar system. And since Pluto is still hanging on at the end of the system, it ...