The orbit of Ammonite (red line) and the orbits of the other three sednoids (white lines). Ammonite was discovered close to its perihelion, at a distance of 71 astronomical units (71 times the average ...

A curious, icy and distant object has just been discovered far beyond Pluto. Nicknamed Ammonite, it intrigues astronomers ...

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

For reference, Pluto’s average distance from the Sun is about 40 AU, so 2023 KQ14 is quite distant. At 23.4 billion miles (37 ...

The discovery was made by astronomers using the Subaru Telescope, which is situated atop a dormant volcano in Hawaii.

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 ...

One wouldn’t know from watching the film Ammonite, which is set in the 1840s, that costume designer Michael O’Connor had to make a case for the characters’s collection of elaborate bonnets.

The ammonite fossil used in the Geology study was discovered in 1998 at the Claydon Pike pit site in Gloucestershire, England, which mostly comprises poorly cemented sands, sandstone, and limestone.