As a result of the International Astronomical Union’s 2006 demotion of Pluto from planet to dwarf planet, our solar system ...

Scientists have detected water in a distant star system that is still taking shape. The James Webb Space Telescope has picked up hints of water ice in the debris disk that orbits a star named HD ...

Astronomers from Johns Hopkins University detected water ice in the outer disk of HD 181327, a young, Sun-like star about 155 ...

Dozens of NASA's spaceflight missions that launched from Florida could be in jeopardy under a budget proposal from the Trump ...

In a first-ever discovery, scientists have detected water ice surrounding a young star that closely resembles our Sun. This ...

The chemical composition of WASP-121b suggests that it formed in a cool zone of its natal disc, comparable to the region of gas and ice giants in our Solar System. Methane indicates unexpected ...

Almost 20 years after Pluto was infamously downgraded from its status as a planet, scientists now believe they have ...

Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the existence of a theoretical Planet Nine.

Researchers discovered a new trans-Neptunian object, 2017 OF201, potentially a dwarf planet, in the outer solar system.

Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a highly ...

A potential new dwarf planet has been discovered in the outer reaches of the solar system, and its existence poses the ...