As Pluto is finally added to the University of Arizona's scale model solar system, a new study suggests how the dwarf planet's cold heart was originally broken.

The size of the Solar System and the Universe is truly beyond our comprehension. When we think of the vastness of space, we often imagine distances that stretch far beyond the Earth, yet even our ...

Travel through time to witness some of the most remarkable episodes in our solar system's history, uncovering its ancient ...