A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.
Scientists say a nearby red dwarf star hosts a planetary lineup that looks like a mirror image of our own solar system, with ...
Astronomers have found a distant world that challenges planetary formation theory, with a rocky planet where gas giants should be.
The Solar System is far larger than the neat diagrams found in textbooks. Beyond the planets lies a vast region of icy debris ...