December 2024 will see a rare "black moon," a term for the second new moon in a calendar month. The second new moon of ...

Space.com's 24 space images of 2024! The most awe-inspiring space photos of the year from our Space Images of the Day.

I pick out North America’s celestial highlights for the week ahead (which also applies to Northern Hemisphere mid-northern ...

The shortest days, longest nights of the year continue from this first day of winter in the northern hemisphere. Only seconds ...