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High atop the arid plateaus of Chile's Atacama Desert, one of humanity's most powerful astronomical instruments peers into the depths of the cosmos: the Very Large Telescope (VLT). Operated by the ...

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 ...

Many people have heard of the Keck Observatory and the Hubble Space Telescope, but few realize just how many powerful telescopes we have in the world, and in space. Because the objects they study are ...

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 ...

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 ...