Summer 2015 was marked by a unique astronomical event, which occurs approximately once in the history of astronomy. The New ...

The dwarf planet Pluto and its five known natural satellites (Charon, Styx, Nix, Kerberos, and Hydra) may be frigid, but ...

Later, it was reclassified as a dwarf planet, yet its mysterious charm has not diminished at all. Why is that? Because Pluto's complex and elusive terrain is like a mysterious key that may hold the ...

"Makemake is one of the largest and brightest icy worlds beyond Neptune, and its surface is dominated by frozen methane," ...

When 1I/'Oumuamua was first spotted in 2017, astronomers quickly determined that it came from outside the solar system. But ...

The astronomical phenomenon of Pluto's opposition reoccurred on the 25th, providing astronomy enthusiasts with the best opportunity to observe this distant celestial body throughout the year. During ...

Pluto has long been one of the most debated celestial bodies in our solar system. Once classified as the ninth planet, it was ...

A Southwest Research Institute-led team has reported the first detection of gas on the distant dwarf planet Makemake, using ...

Celebrate the 25th anniversary of pin trading! Plus, we spotted a few villain box sets, which we were previously told were ...

Webb uncovers methane on Makemake, showing the icy dwarf planet is more active than once thought - just like Pluto.

The solar system lost its ninth planet back when Pluto was demoted to a dwarf planet, but research might indicate that there ...

Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...