What is a planetary retrograde? And what connection does it have to astrology? We explain how planets move across the sky.

Solar Cycle 25 has reached its most active phase, bringing stronger solar flares and geomagnetic storms that may affect Earth’s technology.

A new study on Saturn's largest moon, Titan was conducted by SETI Institute. Scientists believe Titan could be the result of ...

Pluto may no longer be classified as a planet, but in Flagstaff, its legacy still shines. Scientists, artists and community members gathered at the Orpheum Theater on Feb. 14 to ...

A shifting of Earth’s poles, referred to as ‘True Polar Wander,” combined with the sinking of tectonic plates during the Cenozoic Era, altered the planet’s interior, with rising hot mantle material ...