For the first time in years, astronomers are seriously talking about adding a new member to the solar system’s planetary ...

Astronomers have discovered a possible new dwarf planet orbiting far beyond Pluto. First detected in March 2023 by Japan's Subaru Telescope in Hawaii, this object has been dubbed 2023 KQ14 and ...

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

Scientists have detected methane gas glowing faintly above Makemake, an icy dwarf planet smaller and farther than Pluto in space. Until now, Pluto was the only object that far out in the solar system ...

Ceres is rich with water, the Dawn spacecraft finds. What can this mean for finding life on other worlds? Ceres is the largest dwarf planet in the inner solar system, and new findings from the Dawn ...

Pluto is the most well-known dwarf planet. NASA / Johns Hopkins University Applied Physics Laboratory / Southwest Research Institute . Out beyond Neptune, past Pluto, through the chaos of the Kuiper ...

For the first time, a planet has been discovered orbiting a white dwarf, also known as a dead star. This exoplanet, a planet outside of our solar system, is the size of Jupiter and it's known as WD ...

Spots were speculated to be everything from alien cities to geysers. — -- Scientists have finally cracked the mystery of the unexplained lights on the dwarf planet Ceres that were speculated to ...