This video is about the interesting and often-misunderstood story of the asteroids, and how they lost their planet-hood status; more recently than you may think!

In Apple TV’s Pluribus, a faint radio signal from deep space reshapes humanity, and the source, astronomers learn, is Kepler-22b, a world that exists far beyond our solar system. During episode 8, ...

Pluto has long been one of the most debated celestial bodies in our solar system. Once classified as the ninth planet, it was redefined in 2006 as a dwarf planet, a decision that still sparks ...

(via PBS Space Time) There are lots of reasons to search for planets around other stars—exoplanets. A big one is to find other places in the universe that might harbor life. We only know of one such ...