Complete guide to ‘Ammonite,’ the solar system’s latest member

The solar system suddenly has a new member. A new object discovered in the solar system beyond Neptune and Pluto has astronomers rethinking the history of the solar system. Called 2023 KQ14 and nicknamed “Ammonite,” the discovery of this unique so-called trans-Neptunian object is both unexpected and could reshape what we know about the solar system’s past. […]