A dwarfplanet circling the sun out beyond the orbit of Neptune has been rechristenedMakemake after a Polynesian god and designated the third of the solar system?snew class of plutoids, the ...

Astronomers may have given a snub to the TV actress who starred in “Xena: Warrior Princess,” when they conferred a new name on a Pluto-sized world they’d previously nicknamed Xena. But the astronomer ...

Pluto and its dwarf planet brethren have a new friend. The International Astronomical Union (IAU) announced the name of a new dwarf planet to join the existing four in the solar system. The object ...

According to Greek mythology, the goddess Eris was so miffed at being left off the guest list of a banquet of the gods that she stirred up the Trojan War. Could there be a better name than that of the ...

In July 2015, the New Horizons probe zipped past Pluto, and images and information gathered during the historic flyby are still being processed and studied. Now, the International Astronomical Union ...