KQ14, nicknamed "Ammonite", was discovered using the Subaru Telescope and is a highly elliptical object with a perihelion and ...

The long-serving space telescope saw the third interloper to enter the solar system from beyond its limits late on Monday ...

A team of astronomers discovered a strange object in the outer solar system that is in a resonant orbit with Neptune.

Learn more about a sednoid called Ammonite that has been detected in the outer reaches of the Solar System.

A team of astronomers from Taiwan has uncovered promising evidence suggesting the existence of Planet 9, a hypothesized ...

Would one frozen world, just visible on the rim of the Sun’s kingdom, turn decades of speculation on the concealed layout of ...

Harvard & Smithsonian has discovered a rare object far beyond Neptune, from a class known as trans-Neptunian objects, th ...