When the Sun runs expands into a red giant, it will swallow the inner solar system and raise the temperature in the outer ...

How Many Planets Are There in the Solar System? There are 8 planets in our solar system. The planets orbit the Sun in ...

Once a star reaches the end of its life stage and becomes a red giant, any chance for life is extinguished. This is also true ...

An accidental discovery in an astronomy show offers researchers a new clue about the mysterious Oort Cloud, a large expanse ...

Space artists can sometimes stretch scientific data for a bigger visual bang. At New York's natural history museum, they ...

Scientists have unlocked one of the solar system's many secrets from an unexpected source: a planetarium show opening to the ...

As a result of the International Astronomical Union’s 2006 demotion of Pluto from planet to dwarf planet, our solar system ...