Archived observations appear to show a moving object in the far-distant outer solar system, but its reality is unclear ...

New research reveals how the dying sun could destabilize the solar system, scattering giant planets and triggering chaos ...

Scientists with the U.S. National Science Foundation have identified a large object in the outer reaches of the solar system ...

Astronomers have found a possible new dwarf planet beyond Pluto. And the remarkable thing is that they’d been photographing ...

Astronomers using the Vera C. Rubin Telescope discovered a possible new dwarf planet that, if confirmed, could join 5 others ...

What can rocky planets orbiting in the outer parts of a solar system teach scientists about planetary formation and evolution? This is what a recent study published in Science hopes to address as a ...

Scientists have spotted a massive object in the outer solar system that could be a possible dwarf planet. If confirmed, the ...

Tiny, icy worlds at the edge of the solar system are helping scientists rewind the story of how planets like Earth first came together. These distant, city‑size bodies orbit far beyond Neptune in ...

Add Yahoo as a preferred source to see more of our stories on Google. Night view of two human silhouettes beneath the Milky Way during the Perseid meteor shower in Dienne, Cantal, Auvergne-Rhone-Alpes ...

Astronomers analyzing data from the Vera C. Rubin Observatory in Chile have identified a massive candidate world orbiting ...

Hubble and JWST reveal surprisingly unaltered billion-year-old icy bodies ...

A global team of astronomers, led by the University of Warwick, have used a European Space Agency (ESA) telescope to discover a planetary system that turns our understanding of planet formation upside ...