This underrated gem gives you a much better view of the world, and it is packed with features that improve on its vintage ...

Though still only in the prototype stage, this flat lens could one day be used on space telescopes, and perhaps even on ...

Unlike a lunar eclipse, you'll need to wear safety glasses or take steps to otherwise protect your eyes to safely watch the ...

Eclipse glasses should all have the "ISO" (International Organization for Standardization) icon. The glasses also must have ...

This Saturday, March 29, the United States and other countries will once again witness one of the most spectacular ...

A partial solar eclipse will occur on March 29, 2025. Viewers must use eclipse glasses or another safe solar viewer. Here's ...

NASA explained on its website that people planning on viewing the event should wear "eclipse glasses or (use) a solar telescope to view the sun during a partial solar eclipse" or else damage could ...

Optical technicians can alleviate this through the complex use of glass coatings and multiple lenses — though that adds cost and expense. However, the days of bulky, expensive telescope lenses ...

For the telescope, researchers from Jena have manufactured highly sensitive sensors made entirely of glass for the first time. Gravitational waves are distortions of space-time caused by extreme ...