The two telescopes operate synchronously: Izaña-2 fires laser pulses at a piece of space debris high overhead, and Izaña-1 ...

A small missed detail can lead to major issues with your telescope. In this video, I show you the key focuser screws you need ...

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Here is everything I saw with a smart telescope in a light-polluted city including galaxies, nebulas and star clusters.

The Earth supports the only known life in the universe, all of it depending heavily on the presence of liquid water to ...

AP photographer Dmitri Lovetsky had been trying to photograph a plane flying across the disk of the sun for several days.