NASA's New Horizons spacecraft doesn't zoom past its next science target until New Year's Day 2019, but the Kuiper Belt object, known as 2014 MU69, is already revealing surprises. Scientists have been sifting through data gathered from observing the…
A new study from the University of Arizona suggests that an unknown, and currently unseen planetary body exists in the outer reaches of our solar system. The planet is located far beyond Pluto and has a mass somewhere between that of Mars and Earth. This object is…
There is a region of space filled with comets beyond the gas giant Neptune known as the Kuiper Belt. This expanse holds trillions of objects – remnants of the early Solar System – and NASA's New Horizons spacecraft recently took the closest images of one of…
A new research, published on August 10, 2015, suggests a cluster of icy bodies located in the same areas as Pluto, might prove our early Solar System was inhabited by a fifth giant planet. During Neptune's migration, 4 billion years ago, the ice giant might have jum
