Our Solar System contains a large population of icy bodies stretching well beyond the orbit of Neptune. These objects are remnants from the early formation...
A close flyby of a Sun-mass star several billion years ago could explain some unusual features observed in the outer Solar System.
An artist’s concept...
A team of planetary researchers at the University of Colorado at Boulder has offered up a new theory for the existence of strange trans-Neptunian objects...
A team of astronomers at the California Institute of Technology has found strong evidence of a massive gaseous planet – informally named Planet Nine...
Astronomers Dr Chadwick Trujillo of Gemini Observatory in Hawaii and Dr Scott Sheppard of Carnegie Institution for Science have discovered a dwarf planet,...
