Here, Galileo took this crude device ... aberration was a limiting factor in refracting telescopes, and that this could be overcome by making lenses with longer focal length, resulting in monsters ...

Once its rings vanish from sight in March 2025, Saturn will look like a pale yellow sphere through most telescopes.

The space telescope's image of a odd-looking spiral galaxy is, in reality, two distant galaxies overlapping each other.

Scientists have developed an impossibly thin telescope lens that addresses a key astronomical challenge in a new study funded ...

Here's how an innovative flat lens could solve these problems for satellites and space-based telescopes. Understanding ...

Scientists studying one of the earliest known galaxies using the James Webb Space Telescope have found that the universe's ...

In addition to training in data analysis techniques and the use of smaller telescopes, the students in particular conducted observations of galaxies and quasars using the 122cm Galileo Telescope (see ...

The best lenses for travel photography will enable you to take amazing photos without weighing you down. Travel photography lenses are often versatile zooms that allow you to pack just one lens, such ...