Pluto’s heart-shaped feature, known as Tombaugh Regio, has captivated scientists and the public alike since its discovery. This striking geological formation offers insights into the unique ...

Billions of years ago, in the frozen edges of the solar system, a violent impact shaped one of space’s oddest pairs. Instead of a typical planet-moon setup, Pluto and Charon became a binary system.

When the International Astronomical Union announced in 2006 that Pluto was being demoted from its status as the Sun’s ninth planet, many astronomers and non-experts alike were shocked. Pluto remains ...