Discover interesting facts about the sun, the solar system's central star that supports all life on Earth.

Scientists have discovered a giant planet called TOI-6894b, orbiting a star that should be far too small to have formed it.

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

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.

Plus, an in-depth look at how the West Texas city of Seminole reacted when a measles outbreak tore through the region.

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

For the unversed, "Planet Nine" is a hypothetical planet which is reportedly larger than Earth that is thought to orbit ...

Scientists have identified an object about 700km wide inhabiting the frigid outer reaches of our solar system that might ...

Researchers found the object named 2017 OF201 while searching for "Planet Nine" - a hypothetical planet thought to exist ...

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

WASHINGTON (Reuters) -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 ...

Scientists have identified an object about 700km 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 elongated ...