The tantalizing prospect of a ninth planet in the solar system that could be Earth-like is suggested by a new paper that explores objects in the distant Kuiper Belt.
Second potentially habitable Earth-size planet found orbiting
Unser Sonnensystem: Haben Forscher eine zweite Erde entdeckt?
Scientists have found a super-Earth right next door
RESEARCH NEWS Kindai University
Nasa find first alien solar system with as many planets as our own
Our Neighbors Are Probably Dead. The Closest Earth-Like Planet To
Most Earth-Like Worlds Have Yet to Be Born, According to
NASA scientists find 5,000 plus planets beyond Earth's solar system
Does intelligent life exist on other planets? Technosignatures may