Millions of years ago, a planet may have existed between Mars and Jupiter. Today, that same region is filled with millions of asteroids, stretching across billions of kilometers in space. Some ...

When Heinrich Olbers spotted asteroid Pallas on March 28, 1802, it called into question the recent discovery of Ceres as the “missing” planet between Mars and Jupiter. The Titius-Bode law, a ...

In the 18th century, an international group of astronomers referred to as the “Celestial Police” devoted themselves to the search of the “missing” planet between Mars and Jupiter. A planet was ...