Astronomers have been curious about the makeup of Ceres, the largest object in the asteroid belt, ever since its discovery by ...

Scientists have discovered an Earth-like planet orbiting a dead star 4,000 light years from here, giving us a humbling glimpse into Earth's likely fate.Published in Nature Astronomy, the planet, ...

In the time Pluto was found, classified as a planet and reclassified as a dwarf planet, it has not completed one orbit. One ...