What qualifies as a planet? Icy object beyond Pluto reignites debate

For years, Pluto held a place among the solar system’s nine planets, until its status changed in 2006. Now, a newly discovered icy object lurking beyond Pluto has reignited interest in the distant worlds at the edge of our solar system and the question of what qualifies as a planet.Named 2026 ED138, the object was detected using the Vera C Rubin...