WASHINGTON - Astronomers have spotted a cosmic mismatch that has left them perplexed - a really big planet orbiting a really ...

Astronomers have been left puzzled by the discovery of an unusually large planet orbiting a remarkably small star, a cosmic ...

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

A group of astronomers from across the globe, including a team from the University of Washington and led by Queen's ...

In a few days, the first images from the Vera C. Rubin Observatory are to be presented. Simulations are now raising ...

A possible new dwarf planet has been discovered at the edge of our solar system, so far-flung that it takes around 25,000 ...

A computer simulation predicts that the Rubin Observatory will discover millions of previously undetected objects in the ...

New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar ...

NASA’s Solar System Exploration website notes these names, rooted in Latin, persisted due to historical inertia despite varied ancient names.

Scientists have uncovered surprising new behavior of Jupiter that directly affects Earth in ways we are only beginning to ...

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 ...

For instance, Neptune migrated outward, switching places with Uranus, and pushed a lot of the small, icy bodies into the ...