The Solar System is far larger than the neat diagrams found in textbooks. Beyond the planets lies a vast region of icy debris ...
Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.
We know that our Solar System is not the blueprint for all planetary systems out there. There are gas giant planets orbiting closer to their stars than Mercury, and rocky worlds much larger than Earth ...
A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, ...