Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.

Mercury takes only 88 Earth days to orbit the sun.

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

Look up in Michigan's night sky later this month to catch a rare seven-planet parade. The planets will appear to line up in the sky as they orbit the sun, known as a planetary alignment or planet ...

A UVic doctoral candidate led a new study that offers a clearer picture of how planets are born alongside stars, findings ...

According to Dr. Grundy, Pluto is a planet. "I use the word 'planet' to refer to it, and most of the planetary science ...

While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.