Folks think I’ve lost my mind when I suggest the best time of year to visit me for stargazing here in the Southern California desert is during late July ...

How big is the universe? In this video, we embark on a journey from our solar system to the edge of the observable cosmos.

Explore the fascinating motion of our Solar System as it journeys not just around the Sun, but also through the vastness of the Milky Way galaxy and the Universe beyond. This in-depth video unpacks ...

A new research has revealed there could be at least 100 other galaxies surrounding the Milky Way though they are invisible.

This NASA/ESA Hubble Space Telescope image features the field of stars that is NGC 1786. The globular cluster is located in ...