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 ...

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

Most stars in the Universe exist in binary or multiple star systems, where the presence of close-in companion stars in such systems can adversely influence the formation and orbital stability of ...

The hunt for habitable worlds has become a hot topic in astronomy. For decades, the search has been focussed on planets in ...