Miguel Claro

A beautiful crescent moon with visible earthshine forms a triangle with the Pleiades star cluster and the bright planet Venus just after sunset in this twilight scene.

A twilight scene shows a 96 percent illuminated moon peeking through the clouds behind the Roman Catholic Church of La Sagrada Familia, in Barcelona.

Captured 15 minutes after the end of totality during the longest total lunar eclipse of the century, this scene shows the red glow of a partially eclipsed moon very close to Mars.

While Polaris is far from being the brightest star in the sky, finding it is not as hard as it may seem!

The starry arc of the Milky Way galaxy sprawls across the evening sky on a spring night in this photo captured near the village of Campinho in Portugal's Dark Sky Alqueva Reserve.

A close-up view of a moonscape near the lunar south pole shows many different impact features, but one in particular might catch your attention.

Stars, galaxies and an eerie, green airglow light up the sky over a hotel famously infiltrated by James Bond in the 2008 film "Quantum of Solace."

As we get ready to witness a total lunar eclipse on Friday (July 27), here's a photo throwback to the rare supermoon total lunar eclipse of Sept. 28, 2015.

This moonscape scene shows a cluster of impact craters on the moon.

The Milky Way galaxy shimmers over a field of yellow flowers at dawn in this photo taken from the village of Monsaraz in Portugal's Dark Sky Alqueva Reserve.

The full "Pink Moon" of April 29 adorns the daytime sky over the medieval village and castle of Monsaraz in this photo taken in Portugal's Dark Sky Alqueva Reserve.

A lovely cityscape view captured from a rooftop on Amoreiras Towers in Lisbon, Portugal, shows the last "Blue Moon" of 2018 rising above the city on March 31.

Dark Sky Alqueva in Portugal has been nominated for the World Travel Awards in the category Europe's Leading Tourist Attraction.

A waning crescent moon rises at dawn against the glow of twilight and behind a pink band of clouds, just few minutes before sunrise.

Moonlight reflects off a red puddle of acid water in this photo taken at an old Portuguese mine.