Although we've seen color-changing coatings before, they generally just switch between two solid colors. MIT scientists have developed a new system, however, that allows coated objects to take on ...

They’re red, they’re reasonably big, and they have no business being in the main asteroid belt, but their discovery confirms the complex conditions in place when the solar system was still forming.

The space rocks may have come from beyond Neptune, and potentially offer hints at the chaos of the early solar system. By Jonathan O’Callaghan Two red things are hiding in a part of the solar system ...