The Giant Magellan Telescope (GMT) will weight 2.4 million-pounds and may revolutionize our understanding of the universe. It uses seven giant mirrors to collect and focus the light to a point and ...

The Giant Magellan Telescope today announced the successful installation of one of its completed 8.4-meter-diameter primary mirrors into a support system prototype at the University of Arizona's ...

The world's largest telescope is almost as big as your house—and it’s unlocking the universe’s biggest mysteries.

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In the 20th century, telescopes advanced greatly in size, with apertures of optical scopes expanding from just five feet to over 30, and radio dishes growing from 30 feet across to 1,000.

Learn about the Giant Magellan Telescope–one of three next-generation, ground-based telescopes that are currently under construction. By These "Ext ...

This artist's conception compares a hypothetical solar system centered around a tiny "sun" (top) to a known solar system centered around a star, called 55 Cancri, which is about the same size as ...

Learn about the Giant Magellan Telescope–one of three next-generation, ground-based telescopes that are currently under ...