How do I make a telescope? Did you know you can build your own telescope? All you need are two lenses and a few common household items. Depending on your crafting experience, you can complete this fun ...

Telescopes gather and focus light using precisely-shaped mirrors and lenses (or a combination of both). The larger the telescope’s main mirror or lens, the more light is gathered and the more detail ...

The Giant Magellan Telescope begins the four-year process to fabricate and polish its seventh and final primary mirror, the last required to complete the telescope’s 368 square meter light collecting ...