Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

The Solar System does not have a clear border. The influence of the Sun in certain domains is small enough for the Voyager ...

Planet Nine was previously suggested as a possible explanation for distant orbital clustering. It was thought to be ten times Earth’s mass, orbiting far beyond Neptune.

A mysterious new world may be hiding in the outer reaches of our solar system. According to arecent study published on arXiv ...

Astronomers have been enthralled by the idea that a giant planet might lie outside Neptune, right at the edge of our cosmic neighborhood. It was first hypothesized in 2014 because of its ...

Using data from the Dark Energy Survey (DES), researchers have found more than 300 trans-Neptunian objects (TNOs), minor planets located in the far reaches of the solar system, including more than … ...

"The icy worlds beyond Neptune trace how the giant planets formed and then moved out from the sun," Michele Bannister, one of the researchers who helped discover the dwarf planet using the Canada ...

Scientists have discovered 840 small worlds in the distant and hard-to-explore region beyond Neptune. This is the largest set of discoveries ever made. These little icy worlds can help us tell the ...

The team has named the celestial body 2017 OF201. Researchers say a new planet was discovered beyond Neptune. (NASA/JPL-Caltech/Sihao Cheng et al, Jiaxuan Li and Sihao Cheng/CNN/CNN Newsource) ...

Using data from the Dark Energy Survey, researchers have found and cataloged more than 300 minor planets beyond Neptune, including more than 100 new discoveries. This updated catalog of trans ...

Our Discovery of a Minor Planet Beyond Neptune Shows There May Not Be 'Planet Nine' After All News By Michele Bannister ( space.com-astronomy ) published April 24, 2017 ...

Using data from the Dark Energy Survey (DES), researchers have found more than 300 trans-Neptunian objects (TNOs), minor planets located in the far reaches of the solar system, including more than ...