Blue moon is either the second full moon in a calendar month or the third in an astronomical season with four full moons. The ...

The 'Cold Moon' moniker acknowledges the coming of winter and has historical ties to the Long Night Moon and Oak Moon ...

The month brings a spectacular lineup of celestial sights—including a rare chance to see Mercury without a telescope and a ...

Digital astrophotography allows imaging during Full Moon, unlike film-based methods which required dark, New Moon skies. Successful imaging requires image processing techniques to mitigate the ...

The Full Beaver Moon will shine in the sky Tuesday night, as the biggest and brightest Full Moon in nearly nine years!

The Moon now passes 0.8° south of Spica at 6 P.M. EDT, with the pairing visible as evening twilight falls. (As with Mars earlier this week, some parts of the world will see Spica disappear behind the ...

PENNSYLVANIA, USA — You may have heard the phrase 'once in a blue moon', which refers to something rare, just like the event it's named after: two full moons in a single month. But this August, we're ...