The debate over Pluto’s planetary status has been ongoing since its reclassification as a “dwarf planet” in 2006 by the ...

Pluto, once considered the ninth planet of our solar system, has been a topic of intrigue since its reclassification as a ...

New discoveries of objects in the Kuiper Belt have also presented challenges for the Planet Nine theory. The latest is known ...

On August 24, 2006, Pluto ceased to be considered a planet. A mixture of rock and ice located in the Kuiper Belt, a region of icy objects beyond the orbit of Neptune. This demotion ...

Greaves will present the new discovery on Wednesday (April 20) at the Royal Astronomical Society's National Astronomy Meeting in Wales. Pluto was discovered in 1930 and was considered to be the ...

The science community may be ecstatic over the discovery of a ninth planet, but the former planet "Pluto" had a totally different reaction. Hours after scientists announced there's solid evidence ...

Pluto, discovered 90 years ago on Feb. 18, 1930, was long considered the solar system's ninth planet, but was relegated to dwarf planet status in 2006.

Astronomers have picked up evidence of an Earth-sized world, distinct from the previously hypothesised Planet Nine and Planet ...