Researchers believe that 2017 OF201’s highly eccentric orbit points to a chaotic origin, possibly caused by a gravitational ...

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system.

OF201, the object belongs to the same all-star family as Pluto: dwarf planets. Its diameter, roughly 435 miles (700 km), is ...

Upon the discovery of its existence in 1930, Pluto enjoyed ... Just like there are binary stars, Lyra says Earth and its moon would newly be considered a binary planet system.

Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the ...

They did, and the discovery of Planet X was announced on March ... with nitrogen and methane in the atmosphere. 5 - Pluto has an ionized tail like a comet — probably from nitrogen from its ...

As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels beyond the Kuiper Belt into a region ...

Faculty of Physics, together with colleagues from Poland and other countries, have identified an exoplanet—a gas giant ...

In the cold, distant reaches of the Solar System, far beyond Pluto, astronomers have just identified what could be a new ...

Instead of a typical planet-moon setup ... This idea worked for Earth, but icy worlds like Pluto didn’t fit the same mold. Pluto and Charon are too cold and too small for that molten chaos.