Researchers studied the data closely and suggested a few possible ideas about the planet’s atmosphere and surface.

If you've got any interest in skygazing, this is your week. A stunning planet parade is now visible in the night sky. A planet parade is when several of our solar system's planets are visible in the ...

NASA/JPL-Caltech Sky gazers across the U.S. will have a chance to see an extraordinary celestial event on Friday as all of the planets in our solar system will appear in the evening sky. This ...

NASA's New Horizons spacecraft flew past Pluto in the July 2015, snapping several photos of the dwarf planet and its giant, heart-shaped geographical feature. The dwarf planet Ceres may once have ...

A Southwest Research Institute-led team has discovered an elusive, dark moon orbiting Makemake, one of the “big four” dwarf planets populating the Kuiper Belt region at the edge of our solar system.