Planets' temperatures are largely influenced by their structural characteristics and proximity to the Sun, however, Venus ...

Everyone's favorite dwarf planet, Pluto, was discovered just 95 years ago. Here's the story of how the once-ninth planet was ...

Our solar system has eight planets but in recent years, astronomers have theorised there could well be a ninth planet that's hiding in our solar system we've not been able to see yet.

Pluto was once called the ninth planet, but in 2006, scientists changed its status to a dwarf planet. A planet must clear its orbit of other objects, but Pluto shares its space with many small icy ...

than any of the planets in the outer solar system. Nevertheless, because it orbited the Sun like a planet, it was classified as a planet and named Pluto, after the god of outer darkness in Roman ...

Convection processes beneath Venus' scorched surface may help explain the planet's many volcanoes, a new study reports.

The Bay Sages heard from the Delta Astronomical Society (DAS) during its monthly meeting on Thursday. DAS Newsletter Editor ...

FLAGSTAFF, Az. – Whether Pluto is officially a planet is the least interesting thing about the runt of the solar system, astronomers will tell you 95 years after the discovery of the fascinating ...

A surprising chemical difference between Pluto and Sedna, another dwarf planet in the distant Kuiper Belt ... key volatile molecules often found in the outer solar system and thought to be remnants ...

Scientists from UNSW Sydney have located a potential new exoplanet -- a planet that orbits a star outside of our solar system -- using a technique known as 'transit timing variation'. In research ...

The number of planetary moons may also increase if we find more planets in the solar system. One such world is the elusive Planet Nine — a hypothetical giant planet that may lurk in the far ...