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

American scientists believe they have discovered a new dwarf planet at the edge of the solar system. Named OF201, this object ...

Iran swiftly rejected the IAEA report as “politically motivated,” threatening to take unspecified “appropriate measures” in ...

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 ...