Why is Pluto no longer a planet? Discover the real reason behind Pluto’s reclassification as a dwarf planet and the science that led to this change.

Take advantage of a special 6-7 planet alignment from Earth's perspective. Planets 'line up' in the skies over California in ...

In August 2006, the International Astronomical Union made the controversial, but correct, decision to demote Pluto from its ...

For decades, we believed there were nine planets in our solar system—until Pluto was reclassified in 2006. But what if ...

Does our Solar System have 9 planets or only 8? Astronomers have gone back and forth on that a lot, with Pluto now being classified as a dwarf planet. However, out beyond Neptune there could be ...

The article humorously ranks planets based on wealth, characterizing Jupiter as the richest due to its massive size and possessions, and Mars as a str ...

A comical planetary beauty contest is described, highlighting the unique traits of each planet: Mercury’s fiery nature, Venus ...

Scientists at NASA for the first time have been able to observe the make up of Pluto and other small and icy celestial bodies ...

This provides another piece of the puzzle to understand how planets and ... Pluto-Charon Formation Scenario ... a clearer picture of how the outer solar system formed and evolved based on analyses ...

Explore Ceres, the largest asteroid in our solar system, and discover its remarkable ancient ocean and ice-rich crust.

For the first time, astronomers have imaged dozens of belts around nearby stars where comets and tiny pebbles within them are ...