For generations, Jupiter has been shorthand for a straightforward idea: the biggest planet in the Solar System, a gas giant ...

Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST.

We have all been taught in school that planets revolve in the same direction as the Earth, i.e., in the counterclockwise direction. However, the universe never ceases to amaze us with its unexpected ...

Mercury retrograde is an astrological transit that often generates both a passionate buzz of excitement and equal parts ...

A UBC Okanagan-led research project has given a group of international scientists their clearest view yet of the Milky Way's ...

The sky is getting crowded. In the last few years, the number of satellite launches has increased by an order of magnitude as ...

A distant Sun-like star suddenly went dark for months, stunning astronomers who quickly realized something massive was ...

The northern lights were visible on the Peninsula on May 10, 2024, and could make a reappearance locally in 2025. Photo by Eleanor Raab. Last year brought a number of celestial spectacles to Bay Area ...