Beneath Chile’s brilliant skies, the ELT grows—an engineering giant ready to capture the secrets of the universe with the ...

The massive dome measures 305 feet (93 meters) in diameter, or about the size of a football field and stands 263 feet (80 ...

The ELT is on its way to becoming the largest optical telescope in the world, and as it rises beneath some of the clearest ...

We would like to share an update of the article (October 15, 2024) reporting the impact of Hurricane Hone (August 24, 2024) ...

In a breathtaking new photograph shared by the European Southern Observatory (ESO), the sun rises behind the Extremely Large ...

Guided tours take guests through the Clark Telescope Dome, where astronomers once mapped Mars. Live science talks, hands-on ...

This paper reviews the basic features of the telescope, dome, and spectrometer, and gives a brief summary of first-light performance. We are deeply indebted to Congressman Jerry Lewis (R-California, ...

Construction of the world's largest telescope has reached its highest point with assembly of the roof's dome and large sliding doors that will shield the observatory. The European Southern ...

The Clark Telescope resides in the "equatorial room" on the second floor of the Observatory, and is accessed via a spiral oak staircase. The original iron dome weighed two tons, yet could be rotated ...

Clouds drift closer from the north with a threat of rain. On the mountaintop are ten telescope domes, and I walk up a steep driveway to the biggest one. There's an eerie sound, like a loose ...