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Welcome to the Tuesday Telescope. There is a little too much darkness in this world and not enough light—a little too much pseudoscience and not enough science. We'll let other publications offer you ...

If you think stargazing from your window is impressive, the world’s largest telescope is out here collecting light that’s traveled for eons. The largest telescope in the world is called the Gran ...

The largest ground-based optical telescopes in use today use mirrors that are 10 m (33 ft) across. But the prospects for future Extremely Large Telescopes (ELTs) are looking up. According to recent ...

The past quarter of a century in astronomy has been dominated by large telescopes — but they are about to be usurped by some even larger ones. When you purchase through links on our site, we may earn ...

In recent decades, we've learned huge amounts about the universe and its history. The rapidly developing technology of telescopes—both on Earth and in space—has been a key part of this process, and ...

Larger telescopes are better because we can see better and capture more light, so NASA is developing liquid based space telescopes that would let us build 50 meter telescopes for the cost of 10 meter ...