Astronomers have observed a planetary system that challenges current planet formation theories, with a rocky planet that ...
Their observations of a faint, cool M-dwarf star called LHS 1903 revealed a system with a rocky world at its outer edge. LHS ...
The fourth planet in the system is a rocky world, while the second and third ones are gas planets.
A newly studied solar system breaks the usual planet pattern, raising fresh questions about how rocky and gas planets form.
At the farthest edges of the solar system, strange objects follow paths that defy easy explanation. This story investigates ...
Add Yahoo as a preferred source to see more of our stories on Google. An illustration showing Planet Nine, a hypothetical, undiscovered planet in our solar system. New research now suggests the ...
(CNN) — The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have ...