Curious Kids is a series for children of all ages ... icy bodies into the Kuiper Belt , a place in the outer solar system ...

Remember those seemingly unshakeable truths you were taught in history class, science lessons, or even gym? Think again! Our ...

A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

The newly discovered object, named 2017 OF201, has a 25,000-year orbit and is believed to be a large contender for dwarf ...

Its size is estimated to be a bit smaller than Ceres, which is the smallest of the solar system's five recognized dwarf planets and has a diameter of about 950km. Pluto, the largest of those dwarf ...

A recently discovered celestial body is rewriting our knowledge of the Kuiper Belt and maybe challenging the existence of the ...

"Social media was flooded with memes and witty comments, some of which also highlighted that Pluto’s designation as a "dwarf planet" does not negate its planetary essence. One user insightfully ...

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 ...

The International Astronomical Union, which reclassified Pluto as a dwarf planet in 2006, is the arbiter of such classifications. Andrea has written about NASA and the commercial space sector ...

In 2006, the International Astronomical Union stopped classifying Pluto as our solar system’s ninth planet and demoted its ...

Kirk to bend Trump’s ear toward Pluto. Getty Images The now-dwarf planet was first discovered in 1930 by Clyde W. Tombaugh, an Illinois native, at Lowell Observatory in Flagstaff, Arizona.

For years, astronomers have been searching for a ninth planet in our solar system (after giving Pluto the old heave-ho and demoting it to a dwarf planet) and now researchers say they’ve found a ...