A vast region of our solar system, called the Kuiper belt, stretches from the orbit of Neptune out to 50 or so astronomical ...

Astronomers discovered a primordial cluster beyond Neptune in the Kuiper Belt. Stable, ancient icy bodies may reveal ...

Pluto's largest moon, Charon, likely formed through a capture event in the early, crowded Kuiper Belt. Three-body encounters ...

Astronomers might have found evidence of a structure located farbeyond Neptune, potentially giving us clues about the solar ...

Fresh mapping of the outer solar system has revealed a previously unseen pattern in the Kuiper Belt, the icy ring of debris beyond Neptune that has long been treated as a relatively simple torus of ...

"Similar to the asteroid belt, the Kuiper Belt is a region of leftovers from the solar system's early history. Like the ...

Researchers say the finding may also shed light on how giant planets gradually shifted to their current orbits and what interstellar conditions the solar system faced during its birth.

Spectroscopy of other stars has led to most discoveries of exocomet systems. In research led by University of Colorado ...

A team of astronomers from Princeton University and the Institute for Advanced Study has identified what appears to be a new ...

3I/ATLAS is only the third known interstellar visitor, hence the prefix “3I.” The second known interstellar body, Comet 2I/Borisov, was discovered by the Russian astronomer Gennady Borisov in August ...

The interstellar visitor 3I/ATLAS is a high-speed, cosmic messenger, carrying secrets from star systems light-years away.

Harvard astrophysicist Avi Loeb has detected a 12th anomaly in the interstellar comet 3I/Atlas, adding more mystery to the rare space object.