Long before the full moon rises, shifting sunlight transforms the lunar surface into one of the sky's best telescope targets.
On Episode 211 of This Week In Space, Rod Pyle and Tariq Malik talk with Jacob Scoccimerra of Monolith Space. When one ...
Slicing through the Montes Alpes mountain range, Vallis Alpes is a favorite feature to view on the First Quarter Moon.
It's the First Quarter tonight.
A blue Moon happens because the lunar cycle does not perfectly match the calendar year.