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

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

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 ...

A giant conundrum has been found orbiting a teeny tiny red dwarf star just a fifth of the size of the Sun. Such small stars ...

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

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

The exoplanet Wasp-121b orbits its star in a very close orbit. However, it originated much further away, as researchers have ...

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 ...