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

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

Scientists have developed a breakthrough coronagraph that could finally allow us to see Earth-like exoplanets hidden in the ...

Beneath a breathtaking full Moon, construction on the world’s largest optical and infrared telescope—the ELT—progresses in ...