New work provides surprising new details about the trigger that may have started the earliest phases of planet formation in our solar system. New work from Carnegie's Alan Boss and Sandra Keiser ...

One of the interesting facts about our Solar System is how fast different planets spin on their axis. Earth takes about 24 hours to make a full rotation, but some planets spin much quicker, making ...

The solar system is difficult to show correctly. Why? It is difficult because the size of things are vastly different. Let me use units common in solar-system astronomy, the Astronomical Unit (or AU).

Scientists from NASA have uncovered the mysterious history of one of the solar system's weirdest objects: the fast-spinning dwarf Haumea. Haumea is located in the Kuiper Belt of frozen planets beyond ...