Astronomers are investigating a potential hidden planet, dubbed Planet Y, far beyond Neptune. Its gravitational pull is ...

The post Astronomers Surprised To Find A New Moon Or Ring Around A Dwarf Planet In The Kuiper Belt first on TwistedSifter.

It started, as many cosmic enigmas do, with a dim dot of light on a Hubble Space Telescope photo the sort that professional ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

Since Pluto was relegated to dwarf planet status, almost everyone has agreed that there are eight planets in our solar system ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

Amir Siraj and team propose Planet Y, a possible unseen planet influencing Kuiper Belt object orbits. Vera C. Rubin ...

The solar system is composed of the sun, eight major planets, five dwarf planets, over a hundred moons, and countless comets ...

While Planet Y has been not yet been directly observed, unexpected inclinations found in the orbits of roughly 50 distant ...

Astronomers have found new evidence, revealing the existence of an unseen and mysterious planet that could be hidden in the ...

A recent study by Princeton University astronomers suggests the possible existence of a previously undetected planet in our ...