If you step outside tonight you'll see a bright waxing gibbous moon below the Great Square of Pegasus. Far to the moon's lower right shines Fomalhaut, the only bright star in the southern half of the ...

As of Saturday, Jan. 10, the Moon phase is Third Quarter. According to NASA's Daily Moon Guide, 51% of the Moon will be lit ...

Copernicus (9.62°N, 339.92°E), which is easily seen with a moderately powerful backyard telescope, is one of the best-known craters on the Moon. Despite its age (around 860 million years), it is well ...

We're moving towards to the New Moon, which means for the next few nights the moon is going to look smaller and smaller to us. This is normal as we work though the lunar cycle, and we're currently on ...

I've marked four prominent craters and a big mountain range visible in binoculars tonight (May 1). All lie near the terminator, the border between night and day on the moon. It's daytime on the right ...

Ever wonder why the moon looks different every night? Well, that's because of a thing called the lunar cycle. This is a recurring series of eight unique phases of the moon's visibility. The whole ...

If you're wondering how bright the night sky will be, how much of the moon will be visible, here's what you need to know before looking up. The moon moves through a cycle of eight unique phases of ...

Tonight marks day 18 of the lunar cycle, meaning the Moon is in its waning gibbous phase. More than half of its surface is still illuminated, but it’s slowly shrinking each night as it moves toward ...