Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory ...

First mentioned in Star Trek: The Original Series, a different Federation existed before the creation of the United ...

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

A potential new dwarf planet has been discovered in the outer reaches of the solar system, and its existence poses the ...

The scientists announced in a news release that they have found a trans-Neptune Object(TNO), code-named 2017OF201, located past the icy and desolate region of the Kuplier Belt.

A team of astronomers believe they may have discovered a new dwarf planet—just like Pluto—on the edge of our solar system. The object—which orbits out beyond Neptune—has been named "2017 OF201" by the ...

In December 2003, the Hubble Telescope spotted something peculiar on the surface of Ceres, a dwarf planet in the asteroid belt between Mars and Jupiter. Hazy images revealed something bright and ...

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

Chekov: This is President Anton Chekov of the United Federation of Planets, broadcasting on all emergency channels. Do not approach Earth. A signal of unknown origin has turned our young against us.

Here's what to know about the brief tenure of our solar system's smallest planet. ... An icy dwarf only half the size of the United States, it was on average 3.7 billion miles from the sun.

The concepts of "the Federation" and "Starfleet," however, took a while to fully form on "Star Trek." In the episode "Tomorrow is Yesterday" (January 26, 1967), Captain Kirk (William Shatner ...