Venus is particularly bright in the night sky this month, outshining even Sirius, the brightest star. For observers at ...

The aurora borealis, or northern lights, is known for a stunning spectacle of light in the night sky, but this near-Earth manifestation, which is caused by explosive activity on the sun and carried by ...

People say pictures are worth a thousand words. Let’s take a look at just a sample of the Sky Spy photos from the year.

Miguel Claro is a professional photographer, author and science communicator based in Lisbon, Portugal, who creates spectacular images of the night sky. As a European Southern Observatory Photo ...