It grew larger thanks to countless collisions between dust particles, asteroids ... and perhaps even how moons might be born around other planets far beyond our solar system! Top illustration courtesy ...

If you look up on a clear night, the brightest and largest object in the sky will probably be the moon. And unless you have a decent telescope, it is the only natural satellite you can see with ...

It is only half as wide as the USA and is smaller than our moon. The solar system contains hundreds of dwarf planets, including Ceres, which can be found in the asteroid belt. Asteroids are made ...

ESA's star-surveying Gaia mission has again proven to be a formidable asteroid explorer, spotting potential moons around more ...

The solar system is made up of the Sun (our nearest star) and the objects that orbit around it, including planets, asteroids and comets. Planets orbit the Sun in roughly circular paths, and moons ...