For lovers of newly identified space objects, July has indeed been an exciting month. Last week, astronomers described ...

The celestial body's unusual orbit “implies that something extraordinary occurred" in the early days of the solar system—and ...

Astronomers have discovered "Ammonite," a mysterious object on the solar system’s edge whose unusual orbit challenges current ...

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

Typically, telescopes are synonymous with bringing far-off objects close, but the newest member of the solar system was discovered using wide-field imaging. The Subaru Telescope has spotted a distant ...

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

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our understanding of how planets take shape — not only in our solar system, but ...

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

According to study co-author Dr Fumi Yoshida, Neptune is the only known massive object near the outer Solar System that could ...

A newly found icy object, Ammonite, may be a 4-billion-year-old fossil from the Solar System’s edge—and it’s casting doubt on ...

In a cosmic breakthrough, scientists using the James Webb and ALMA telescopes have caught a rare glimpse of a planetary ...