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

Despite the powerful telescopes that modern astronomers have to work with, the distant reaches of the Solar System are still ...

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

In the icy, dark expanse beyond Neptune, a cosmic fossil has surfaced that threatens to upset decades-old assumptions about the solar system’s secret structure. The new discovery of “Ammonite,” a ...

The evolutionary quirks unveiled by the new research offer insight into how a subset of ichthyosaurs lived and hunted– and ...

As wealthy buyers rush for these new collectibles, museums and universities risk turning into impotent onlookers ...

Despite the powerful telescopes that modern astronomers have to work with, the distant reaches of the Solar System are still ...

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 ...

Ammonite was found as part of the FOSSIL survey project, which stands for the Formation of the Outer Solar System: An Icy Legacy, according to NAOJ. A more classical name will be assigned to the ...

While astronomers have long searched for a mysterious ninth planet lurking beyond Pluto, a recent discovery is turning that ...

The largest-known chunk, a meteorite called NWA 16788, just cleaned up at Sotheby’s with a $5.3 million haul against a $2 million–$4 million estimate.