A tiny object far beyond Pluto, newly discovered by the Subaru Telescope, could reshape our understanding of the early Solar ...

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

Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed “Ammonite," researchers say it could provide more evidence to the hypothetical ...

A telescope has discovered a new world on the edge of the Milky Way – potentially confirming the ‘Planet X’ theory. Beyond ...

A telescope has discovered a new world on the edge of the Milky Way – potentially confirming the ‘Planet X’ theory. Beyond ...

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

In a groundbreaking study published in Physical Review Letters, physicists from ETH Zurich, in collaboration with teams from Germany and Australia, have made strides in the search for a potential ...

A hypothetical fifth force would break that linearity, but so would higher-order standard model contributions. We've observed a nonlinearity of more than 1000 standard deviations.

This new dwarf planet may exist at the edge of the solar system, possibly disproving Planet Nine's existence. This is the story of that newly encountered planet.

For the dwarf planet candidate, one trip around the sun takes over 24,000 years. Its orbit challenges a proposed path for a hypothetical Planet Nine.

U.S. astronomers hunting for "Planet Nine" have instead stumbled on what appears to be a new dwarf planet in the solar system's outer reaches.

Fifth Harmony, Minus Camila Cabello, in Talks to Reunite (Exclusive) The group went on indefinite hiatus in 2018, a year after releasing their third album, following Cabello's 2016 departure.