Nestled at an altitude of nearly 10,000 feet, atop a mountain in Chile’s Atacama Desert called Cerro Armazones, scientists and engineers are constructing the largest visible light and infrared ...

The world’s largest optical telescope is seen taking shape in an amazing image. The European Southern Observatory’s Extremely ...

The dome enclosing the world's largest telescope is taking shape, with the installation of protective siding and supports for the primary mirror. The European Southern Observatory's (ESO) Extremely ...

Animation of the findings by researchers who used time-delay cosmography to independently confirm that the universe’s current ...

Then, on November 25, teams at NASA’s Goddard Space Flight Center in Greenbelt, Maryland, joined the inner and outer portions ...

UT-Austin just took a big step in its process of building one of the largest telescopes in the world as the Giant Magellan Telescope is moving into its final design phase to get federal funding ...

HONOLULU Hawaii was chosen Tuesday as the site for the worlds biggest telescope, a device so powerful that it will allow scientists to see some 13 billion light-years away and get a glimpse into the ...