Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

When you buy through links on our articles, Future and its syndication partners may earn a commission. The orbit of the newly detected dwarf planet ‘Ammonite’ (2023 KQ14, shown in red) compared to the ...

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 ...

A curious, icy and distant object has just been discovered far beyond Pluto. Nicknamed Ammonite, it intrigues astronomers with its stable orbit lasting over 4 billion years. Its discovery could change ...

Ammonites belonged to the cephalopod group of marine invertebrates, current members of which include octopi, squid and cuttlefish. Unlike those examples, however, ammonites had protective outer shells ...

An oddly shaped fossil in Hokkaido turned out to be a new species of ammonite, spiral-shaped marine creatures from ancient ...

An incredible fossil that dates back around 180 million years tells of the unfortunate demise of a bony fish that bit off more than it could chew. Inside the fossilized fish, researchers found an ...

Some extinct species left copious fossil remnants of their existence. Ammonites—an extinct type of cephalopod—are one such example. From the Devonian right up until the Paleocene, wherever ancient ...

In an interesting discovery, paleontologists from Universität Hohenheim's Staatliches Museum für Naturkunde Stuttgart have unearthed a fossilized fish that tells of a tale of a meal gone awry from 180 ...

Robotic ammonites, evaluated in a university pool, allow researchers to explore questions about how shell shapes affected swimming ability. They found trade-offs between stability in the water and ...