Each JuMBO pair comprises two gas giants, each between 0.7 and 30 times the mass of Jupiter. These "rogue" planet partners have been found orbiting each other — but not a parent star — at a distance ...
A "baby" planet that astronomers recently observed some 430 light-years from Earth may be the youngest planet ever discovered. Forming an estimated 3 million years ago, the planet may seem old to us.
NASA's TESS satellite made the find. A Neptune-sized planet closely orbiting its host star has just been discovered, making it only the fourth object of its kind ever identified. Scientists ...