Interstellar comet 3I/ATLAS makes its closest approach to Earth on Dec. 19. Here's how you can track its progress both during ...
The highlight in the few evenings between the winter solstice and Christmas Day is a waxing crescent moon in the western sky shortly after sunset. On Dec. 22, a 7%-illuminated crescent moon will ...
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 ...