Discover the journey of Pluto, from its triumphant discovery as our solar system's ninth planet to its controversial reclassification as a dwarf planet, and the mind-blowing science revealed by the New Horizons flyby.

Discover how Johannes Kepler revolutionized astronomy. Learn how his three laws of planetary motion broke centuries of scientific tradition by proving that planets orbit the Sun in ellipses, changing our understanding of the universe forever.

Discover the inspiring stories of famous women astronauts, from Valentina Tereshkova's pioneering 1963 flight to Christina Koch's record-breaking mission on the ISS.