The unusual orbit of a possible dwarf planet, known as 2017 OF201, makes it less likely that our solar system contains a ...

Scientists believe such an extreme orbit means the object was pushed and pulled by the gravity of giant planets like Jupiter ...

When Voyager 2 flew by the planet in 1986, it only observed 10 cloud patterns on the planet. As technology improved, higher resolution images taken from Earth revealed fainter clouds. The clouds ...

The bizarre hexagonal cloud pattern was first discovered in 1988 ... until NASA's Cassini spacecraft observed the ringed planet up-close years later. Nothing like the hexagon has ever been seen ...