Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

Mars and Regulus will light up the night sky in a rare celestial display from the Red planet and icy blue star ...

Regulus is a bright blue star in the constellation Leo, which is often called the 'lion's heart'. It regularly appears close ...

The 2025 Buck Moon rises on July 10, in the southeast from about 10pm in the UK. July's full Moon is called the 'Buck Moon' ...

Friday, July 4 Mercury reaches its greatest eastern elongation from the Sun, standing 26° from our star at 1 A.M. EDT. We’ll ...

The night sky is set to greet the “blue supermoon”, as a reasonably rare celestial phenomenon appears in the sky. The event happens when a blue moon combines with a supermoon.

Learn why the sky is blue through the lens of physics and chemistry. Discover the science behind Rayleigh scattering, light wavelengths, and atmospheric composition in this detailed explainer.